Math HL
SYLLABUS OUTLINE
The course consists of the study of seven core topics and one option topic.
Total 240 hrsCore syllabus content 190 hrs
Requirements
All topics in the core are compulsory. Students must study all the sub-topics in each of the topics in the syllabus as listed in this guide. Students are also required to be familiar with the topics listed as presumed knowledge (PK).
Topic 1—Algebra 20 hrs
Topic 2—Functions and equations 26 hrs
Topic 3—Circular functions and trigonometry 22 hrs
Topic 4—Matrices 12 hrs
Topic 5—Vectors 22 hrs
Topic 6—Statistics and probability 40 hrs
Topic 7—Calculus 48 hrs
Option syllabus content 40 hrs
Requirements
Students must study all the sub-topics in one of the following options as listed in the syllabus details.
Topic 8—Statistics and probability 40 hrs
Topic 9—Sets, relations and groups 40 hrs
Topic 10—Series and differential equations 40 hrs
Topic 11—Discrete mathematics 40 hrs
Portfolio 10 hrs
Two pieces of work, based on different areas of the syllabus, representing the following two types of tasks:
• mathematical investigation
• mathematical modelling.
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9SYLLABUS DETAILS
Format of the syllabus
The syllabus to be taught is presented as three topics.
•
Content: the first column lists, under each topic, the sub-topics to be covered.•
Amplifications/inclusions: the second column contains more explicit information on specific sub-topics listed in the first column. This helps to define what is required in terms of preparing for the examination.•
Exclusions: the third column contains information about what is not required in terms of preparing for the examination.Although the mathematics HL course is similar in content to parts of the mathematics SL course, there are differences. In particular, students and teachers are expected to take a more sophisticated approach for mathematics HL, during the course and in the examinations. Where appropriate, guidelines are provided in the second and third columns of the syllabus details (as indicated by the phrase gSee SL guideh).
Course of study
Teachers are required to teach all the sub-topics listed for the seven topics in the core, together with all the sub-topics in the chosen option. The topics in the syllabus do not need to be taught in the order in which they appear in this guide. Similarly, it is not necessary to teach all the topics in the core before starting to teach an option. Teachers should therefore construct a course of study that is tailored to the needs of their students and that integrates the areas covered by the syllabus, and, where necessary, the presumed knowledge (PK).
Integration of portfolio assignments
The two pieces of work for the portfolio, based on the two types of tasks (mathematical investigation and mathematical modeling), should be incorporated into the course of study, and should relate directly to topics in the syllabus. Full details of how to do this are given in the section on internal assessment.
Time allocation
The recommended teaching time for higher level courses is 240 hours. For mathematics HL, it is expected that 10 hours will be spent on work for the portfolio. The time allocations given in this guide are approximate, and are intended to suggest how the remaining 230 hours allowed for the teaching of the syllabus might be allocated. However, the exact time spent on each topic depends on a number of factors, including the background knowledge and level of preparedness of each student. Teachers should therefore adjust these timings to correspond to the needs of their students.
Use of calculators
Students are expected to have access to a graphic display calculator (GDC) at all times during the course. The minimum requirements are reviewed as technology advances, and updated information will be provided to schools. It is expected that teachers and schools monitor calculator use with reference to the calculator policy. Regulations covering the types of calculator allowed are provided in the
Vade Mecum. Further information and advice is provided in the teacher support material. There are specific requirements for calculators used by students studying the statistics and probability option.Mathematics HL information booklet
Because each student is required to have access to a clean copy of this booklet during the examination, it is recommended that teachers ensure students are familiar with the contents of this document from the beginning of the course. The booklet is provided by the IBO and is published separately.
Teacher support materials
A variety of teacher support materials will accompany this guide. These materials will include suggestions to help teachers integrate the use of GDCs into their teaching, guidance for teachers on the marking of portfolios, and specimen examination papers and markschemes. These will be distributed to all schools.
External assessment guidelines
It is recommended that teachers familiarize themselves with the section on external assessment guidelines, as this contains important information about the examination papers. In particular, students need to be familiar with notation the IBO uses and the command terms, as these will be used without explanation in the examination papers.
Presumed knowledge
General
Students are not required to be familiar with all the topics listed as PK
before they start this course. However, they should be familiar with these topics before they take the examinations, because questions assume knowledge of them. Teachers must therefore ensure that any topics designated as PK that are unknown to their students at the start of the course are included at an early stage. They should also take into account the existing mathematical knowledge of their students to design an appropriate course of study for mathematics HL. This list of topics is not designed to represent the outline of a course that might lead to the mathematics HL course. Instead, it lists the knowledge, together with the syllabus content, that is essential to successful completion of the mathematics HL course. Students must be familiar with SI (Système International) units of length, mass and time, and their derived units.Topics
Number and algebra
Routine use of addition, subtraction, multiplication and division using integers, decimals and fractions, including order of operations.
Example: 2(3+4~7)=62.Simple positive exponents.
Examples: 23 =8; (-3)3= -27; (-2)4=16.Simplification of expressions involving roots (surds or radicals).
Examples:Prime numbers and factors, including greatest common factors and least common multiples.
Simple applications of ratio, percentage and proportion, linked to similarity.
Definition and elementary treatment of absolute value (modulus),
a .Rounding, decimal approximations and significant figures, including appreciation of errors.
Expression of numbers in standard form (scientific notation), that is,
a ~10k ,Concept and notation of sets, elements, universal (reference) set, empty (null) set, complement, subset, equality of sets, disjoint sets. Operations on sets: union and intersection. Commutative, associative and distributive properties. Venn diagrams.
Number systems: natural numbers; integers,
; rationals, , and irrationals; real numbers, .Intervals on the real number line using set notation and using inequalities. Expressing the solution set
of a linear inequality on the number line and in set notation.
The concept of a relation between the elements of one set and between the elements of one set and
those of another set. Mappings of the elements of one set onto or into another, or the same, set.
Illustration by means of tables, diagrams and graphs.
Basic manipulation of simple algebraic expressions involving factorization and expansion.
Examples
: ab+ac=a(b+c) ; (a}b)2=a2+b2}2ab; a2−b2=(a−b)(a+b);3
x2+5x+2=(3x+2)(x+1); xa−2a+xb−2b=(x−2)(a+b) .Rearrangement, evaluation and combination of simple formulae. Examples from other subject areas,
particularly the sciences, should be included.
The linear function
x ax + b and its graph, gradient and y-intercept.Addition and subtraction of algebraic fractions with denominators of the form
ax + b .Example
: 2 3 13 1 2 4
x x
x x
+ +
− +
.
The properties of order relations: <,
≤, >, ≥.Examples
: a>b,c>0Ëac>bc; a>b,c<0 Ëac<bc.Solution of equations and inequalities in one variable, including cases with rational coefficients.
Example
: 3 2 1(1 ) 57 5 2 7
−
x= −x Ëx= .Solution of simultaneous equations in two variables.
SYLLABUS DETAILS
12
© International Baccalaureate Organization 2006Geometry
Elementary geometry of the plane including the concepts of dimension for point, line, plane and space.
Parallel and perpendicular lines, including
m1=m2, and 1 2 mm = −1. Geometry of simple planefigures. The function
x ax + b : its graph, gradient and y-intercept.Angle measurement in degrees. Compass directions and bearings. Right-angle trigonometry. Simple
applications for solving triangles.
Pythagorasf theorem and its converse.
The Cartesian plane: ordered pairs (
x, y) , origin, axes. Mid-point of a line segment and distancebetween two points in the Cartesian plane.
Simple geometric transformations: translation, reflection, rotation, enlargement. Congruence and
similarity, including the concept of scale factor of an enlargement.
The circle, its centre and radius, area and circumference. The terms garch, gsectorh, gchordh, gtangenth
and gsegmenth.
Perimeter and area of plane figures. Triangles and quadrilaterals, including parallelograms,
rhombuses, rectangles, squares, kites and trapeziums (trapezoids); compound shapes.
Statistics
Descriptive statistics: collection of raw data, display of data in pictorial and diagrammatic forms (for
example, pie charts, pictograms, stem and leaf diagrams, bar graphs and line graphs).
Calculation of simple statistics from discrete data, including mean, median and mode.
Core syllabus content
Topic 1—Core: Algebra 20 hrs
Aims
The aim of this section is to introduce students to some basic algebraic concepts and applications.
Details
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Arithmetic sequences and series; sum of finite
arithmetic series; geometric sequences and
series; sum of finite and infinite geometric
series.
Examples of applications: compound interest
and population growth.
1.1
Sigma notation.
Exponents and logarithms. Elementary treatment only is required.
Laws of exponents; laws of logarithms.
1.2
Change of base. log log
log
c
b
c
a a
b
=
.Counting principles, including permutations and
combinations.
Simple applications only.
The formula for
n
r
⎛ ⎞
⎜ ⎟
⎝ ⎠
also denoted by
nCr
.Formula for
nPr
.Permutations where some objects are identical.
The binomial theorem: expansion of
(
a+b)n , n¸ .1.3
See SL guide
Topic 1—Core: Algebra (continued)
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1.4
Proof by mathematical induction. Proof of binomial theorem.Forming conjectures to be proved by
mathematical induction.
Complex numbers: the number i
= −1; theterms real part, imaginary part, conjugate,
modulus and argument.
Cartesian form
z=a+ib.Modulus–argument form
z=r(cosĮ+isinĮ). Awareness that z=r(cosĮ+isinĮ)can bewritten as
z=reiĮ and z=rcisĮ .1.5
The complex plane. The complex plane is also known as the Argand
diagram.
Loci in the complex plane.
1.6
Sums, products and quotients of complexnumbers.
1.7
De Moivrefs theorem. Proof by mathematical induction for n¸+ .Powers and roots of a complex number.
1.8
Conjugate roots of polynomial equations withreal coefficients.
Equations with complex coefficients.
Topic 2—Core: Functions and equations 26 hrs
Aims
The aims of this section are to explore the notion of function as a unifying theme in mathematics, and to apply functional methods to a variety of mathematical
situations. It is expected that extensive use will be made of a GDC in both the development and the application of this topic.
Details
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Concept of function
f :xf(x) : domain,range; image (value).
On examination papers: if the domain is the set
of real numbers then the statement g
x¸ h willbe omitted.
The term gcodomainh.
Composite functions
f g ; identity function. The composite function ( f g)(x) is defined asf
(g(x)).Inverse function
f −1 . Distinction between one-to-one andmany-to-one functions. Domain restriction.
2.1
See SL guide
The graph of a function; its equation
y= f(x) . On examination papers: questions may be setthat require the graphing of functions that do not
explicitly appear on the syllabus.
Function graphing skills:
use of a GDC to graph a variety of functions
investigation of key features of graphs Identification of asymptotes.
2.2
solutions of equations graphically. May be referred to as roots of equations, or
zeros of functions.
Topic 2—Core: Functions and equations (continued)
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Transformations of graphs: translations;
stretches; reflections in the axes.
Translations:
y=f(x)+b; y=f(x−a) .Stretches:
y=pf(x); y=f(x q).Reflections (in both axes):
y
= −f(x); y=f(−x).Examples:
y=x2 used to obtain y=3x2+2 bya stretch of scale factor 3 in the
y-directionfollowed by a translation of
0
2
⎛ ⎞
⎜ ⎟
⎝ ⎠
.
y
= sinx used to obtain y= 3sin 2x by astretch of scale factor 3 in the
y-direction and astretch of scale factor 1
2
in the
x-direction.The graph of
y= f−1(x)as the reflection in theline
y=x of the graph of y= f(x) .The graph of
( )y
1f x
=
from y= f(x) .2.3
The graphs of the absolute value functions,
y
= f(x) and y= f(x).2.4
The reciprocal function
x 1, x 0x
‚ : itsgraph; its self-inverse nature.
Topic 2—Core: Functions and equations (continued)
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The quadratic function
x ax2+bx+c : itsgraph.
Real coefficients only.
Axis of symmetry
2
x b
a
= −
.The form
x a(x−h)2+k .2.5
The form
x a(x−p)(x−q) .The solution of
ax2+bx+c=0, a‚0. On examination papers: questions requiringelaborate factorization techniques will not be set.
The quadratic formula.
2.6
Use of the discriminant
ƒ¢ =b2 −4ac.The function:
x ax , a >0.The inverse function log
a x x, x >0. log xa
a =x;aloga x =x, x >0.Graphs of
y=ax and loga y= x.2.7
Solution of
ax =b using logarithms.Topic 2—Core: Functions and equations (continued)
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The exponential function
x ex .The logarithmic function
x ln x, x >0. ax = exlna .2.8
Examples of applications: compound interest,
growth and decay.
Inequalities in one variable, using their
graphical representation.
Use of the absolute value sign in inequalities. On examination papers: questions requiring
elaborate manipulation will not be set.
2.9
Solution of
g(x) ≥f(x) , where f, g are linear orquadratic.
Analytical solution for simple cases.
2.10
Polynomial functions. The graphical significance of repeated roots.The factor and remainder theorems, with
application to the solution of polynomial
equations and inequalities.
Topic 3—Core: Circular functions and trigonometry 22 hrs
Aims
The aims of this section are to explore the circular functions, to introduce some important trigonometric identities and to solve triangles using trigonometry.
Details
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3.1
The circle: radian measure of angles; length ofan arc; area of a sector.
Radian measure may be expressed as multiples
of
ƒÎ, or decimals.3.2
Definition of cosĮ and sinĮ in terms of theunit circle.
Definition of tan
Į as sincos
Į
Į
.
Definition of sec
Į, cscĮ and cotĮ .Pythagorean identities: cos
2Į+sin2Į=1;1
+tan2Į=sec2Į; 1+cot2Į=csc2Į.See SL guide
Compound angle identities. Proof of compound angle identities: sin(
A}B) ,cos(
A}B) , tan(A}B) .Double angle identities. Proof of double angle identities.
Given sin
Į , finding possible values of otherratios (for example sin 2
Į ) without finding Į.3.3
See SL guide
Topic 3—Core: Circular functions and trigonometry (continued)
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The circular functions sin
x , cos x and tan x ;their domains and ranges; their periodic nature;
their graphs.
On examination papers: radian measure should
be assumed unless otherwise indicated, for
example, by
x sin x‹ .Composite functions of the form
f
(x)=asin(b(x+c))+d.Example:
f(x)=3tan(4(x−2)) +1.The inverse functions
x arcsin x ,x
arccos x, x arctan x ; their domains andranges; their graphs.
On examination papers: questions requiring
elaborate analytical treatment of inverse
trigonometric functions will not be set.
Examples of applications: height of tide; Ferris
wheel.
3.4
See SL guide
Solution of trigonometric equations in a finite
interval.
Examples:
2sin
x = 3cos x , 0≤x≤2ƒÎ .2sin 2
x = 3cos x , 0‹ ≤ x ≤180‹ .2sin
x = cos2x , −ƒÎ≤x≤ƒÎ.3.5
The general solution of trigonometric equations.Use of trigonometric identities and factorization
to transform equations.
Both analytical and graphical methods required.
Topic 3—Core: Circular functions and trigonometry (continued)
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Solution of triangles.
The cosine rule:
c2=a2+b2−2abcosC.The sine rule:
sin sin sin
a b c
A B C
= =
. The ambiguous case of the sine rule.Area of a triangle as 1 sin .
2
ab C
3.6
Applications to real-life situations in two
dimensions, and simple cases in three
dimensions, for example, navigation.
Topic 4—Core: Matrices 12 hrs
Aims
The aim of this section is to provide an elementary introduction to matrices, a fundamental concept of linear algebra.
Details
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4.1
Definition of a matrix: the terms element, row,column and order.
Use of matrices to store data. Use of matrices to represent transformations.
Algebra of matrices: equality; addition;
subtraction; multiplication by a scalar.
Matrix operations to handle or process
information.
Multiplication of matrices.
4.2
Identity and zero matrices.
Determinant of a square matrix. The terms singular and non-singular matrices.
Calculation of 2~ 2 and 3~3 determinants. The result det
AB = det Adet B . Cofactors and minors.4.3
Inverse of a matrix: conditions for its existence. Obtaining the inverse of a 3~3 matrix using a
GDC.
Other methods for finding the inverse of a 3~3
matrix.
Solution of systems of linear equations (a
maximum of three equations in three
unknowns).
4.4
Conditions for the existence of a unique
solution, no solution and an infinity of solutions.
These cases can be investigated using row
reduction, including the use of augmented
matrices. Unique solutions can also be found
using inverse matrices.
Topic 5—Core: Vectors 22 hrs
Aims
The aim of this section is to introduce the use of vectors in two and three dimensions, and to facilitate solving problems involving points, lines and planes.
Details
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Vectors as displacements in the plane and in
three dimensions.
Distance between points in three dimensions.
Components of a vector; column representation
1
2 1 2 3
3
v
v v v v
v
⎛ ⎞
=
⎜⎜ ⎟⎟= + +⎜ ⎟
⎝ ⎠
v i j k
.Components are with respect to the unit vectors
i
, j, k (standard basis).Algebraic and geometric approaches to the
following topics:
the sum and difference of two vectors; the zero
vector, the vector
−v ;The difference of
v and w is v−w=v+(−w) .multiplication by a scalar,
kv ;magnitude of a vector,
v ;unit vectors; base vectors
i, j, k;5.1
position vectors OA
¨
=
a. AB OB OA¨ ¨ ¨
= − =
b−a.Topic 5—Core: Vectors (continued)
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The scalar product of two vectors,
v
⋅w= v w cosƒÆ ; 1 1 2 2 3 3 v⋅w=v w +v w +v w .The scalar product is also known as the gdot
producth or ginner producth.
Projections.
Algebraic properties of the scalar product.
Perpendicular vectors; parallel vectors. For non-zero perpendicular vectors
v⋅w=0 ;for non-zero parallel vectors
v⋅w=}v w .5.2
The angle between two vectors.
Vector equation of a line
r=a+ăb. Lines in the plane and in three-dimensionalspace.
Knowledge of the following forms for equations
of lines.
Parametric form:
0
x=x +ăl, 0 y=y +ăm, 0 z=z +ăn.Cartesian form:
0 0 0 x x y y z zl m n
− = − = −
.The angle between two lines.
5.3
See SL guide
Coincident, parallel, intersecting and skew lines,
distinguishing between these cases.
5.4
Points of intersection.
Topic 5—Core: Vectors (continued)
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The vector product of two vectors,
v~w. The vector product is also known as the crossproduct.
The determinant representation.
5.5
Geometric interpretation of
v~w . Areas of triangles and parallelograms.Vector equation of a plane
r=a+ƒÉb+ƒÊc.Use of normal vector to obtain the form
r
⋅n=a⋅n.5.6
Cartesian equation of a plane
ax+by+cz=d .Intersections of: a line with a plane; two planes;
three planes.
Inverse matrix method and row reduction for
finding the intersection of three planes.
5.7
Angle between: a line and a plane; two planes. Awareness that three planes may intersect in a
point, or in a line, or not at all.
Topic 6—Core: Statistics and probability 40 hrs
Aims
The aim of this section is to introduce basic concepts. It may be considered as three parts: manipulation and presentation of statistical data (6.1–6.4), the laws
of probability (6.5–6.8), and random variables and their probability distributions (6.9–6.11). It is expected that most of the calculations required will be done
on a GDC. The emphasis is on understanding and interpreting the results obtained.
Details
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6.1
Concepts of population, sample, random sampleand frequency distribution of discrete and
continuous data.
Elementary treatment only.
Presentation of data: frequency tables and
diagrams, box and whisker plots.
Treatment of both continuous and discrete data.
Grouped data: mid-interval values, interval
width, upper and lower interval boundaries,
6.2
frequency histograms. A frequency histogram uses equal class
intervals.
Histograms based on unequal class intervals.
Topic 6—Core: Statistics and probability (continued)
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Mean, median, mode; quartiles, percentiles. Awareness that the population mean,
ƒÊ, isgenerally unknown, and that the sample mean,
x ,serves as an unbiased estimate of this quantity.
Estimation of the mode from a histogram.
Formal treatment of unbiased estimation.
Range; interquartile range; variance, standard
deviation.
Awareness of the concept of dispersion and an
understanding of the significance of the
numerical value of the standard deviation.
Obtain the standard deviation (and indirectly the
variance) from a GDC and by other methods.
Awareness that the population variance,
ƒÐ2, isgenerally unknown, and that
2 2n
1 1ns n s
−
n =−
serves as an unbiased estimate of
ƒÐ2.6.3
See SL guide
6.4
Cumulative frequency; cumulative frequencygraphs; use to find median, quartiles,
percentiles.
Concepts of trial, outcome, equally likely
outcomes, sample space (
U) and event.The probability of an event
A as P( ) ( )( )
A n A
n U
=
.The calculation of
n(A) and n(U) may involvecounting principles.
6.5
The complementary events
A and AŒ (not A);P(
A)+P(AŒ)=1 .Topic 6—Core: Statistics and probability (continued)
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Combined events, the formula:
P(
A¾B)=P(A)+P(B)−P(A¿B) .6.6
Appreciation of the non-exclusivity of gorh.P(
A¿B)=0 for mutually exclusive events. Use of P(A¾B)=P(A)+P(B) for mutuallyexclusive events.
Conditional probability; the definition:
P
( | ) P( )P( )
A B A B
B
= ¿
.Independent events; the definition:
P
(A|B)=P(A)=P(A|BŒ).The term gindependenth is equivalent to
gstatistically independenth. Use of
P(
A¿B)=P(A)P(B) for independent events.6.7
Use of Bayesf theorem for two events.
( ) ( )( ) ( )
P( )P |
P |
P( )P | P( )P |
B A B
B A
B A B B A B
=
+ Œ Œ
.
6.8
Use of Venn diagrams, tree diagrams and tablesof outcomes to solve problems.
Topic 6—Core: Statistics and probability (continued)
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Concept of discrete and continuous random
variables and their probability distributions.
Definition and use of probability density
functions.
Expected value (mean), mode, median, variance
and standard deviation.
Knowledge and use of the formulae for E(
X )and Var(
X ) .Applications of expectations, for example,
games of chance.
6.9
See SL guide
Binomial distribution, its mean and variance.
Poisson distribution, its mean and variance.
Conditions under which random variables have
these distributions.
6.10
Formal proof of means and variances.See SL guide
Normal distribution. Normal approximation to the binomial
distribution.
Properties of the normal distribution. Appreciation that the standardized value (
z)gives the number of standard deviations from
the mean.
6.11
Standardization of normal variables. Use of calculator (or tables) to find normal
probabilities; the reverse process.
Topic 7—Core: Calculus 48 hrs
Aims
The aim of this section is to introduce students to the basic concepts and techniques of differential and integral calculus and their application.
Details
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Informal ideas of limit and convergence. Only an informal treatment of limit and
convergence, including the result
0
limsin 1
Į
Į
¨
Į=
.Definition of derivative as
0
( ) lim ( ) ()
h
f x f x h f x
¨
hŒ =
⎛⎜ + − ⎞⎟⎝ ⎠
.
Use of this definition for differentiation of
polynomials, and for justification of other
derivatives.
Familiarity with both forms of notation, d
d
y
x
and
f
Œ(x), for the first derivative.Derivative of
xn (n¸), sin x , cos x , tan x ,e
x and ln x .On examination papers: students will not be
required to prove these results.
Derivative interpreted as a gradient function and
as rate of change.
Finding equations of tangents and normals.
Identifying increasing and decreasing functions.
Derivatives of reciprocal circular functions.
Derivatives of
ax and loga x . Derivatives ofarcsin
x , arccos x , arctan x .7.1
See SL guide
Topic 7—Core: Calculus (continued)
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Differentiation of a sum and a real multiple of
the functions in 7.1.
The chain rule for composite functions.
Application of chain rule to related rates of
change.
The product and quotient rules.
The second derivative. Familiarity with both forms of notation,
2
2
d
d
y
x
and
f ŒŒ(x) , for the second derivative.Awareness of higher derivatives. Familiarity with the notations d
d
n
n
y
x
,
f (n)(x).7.2
See SL guide
Local maximum and minimum points. Testing for the maximum or minimum using
change of sign of the first derivative and using
sign of second derivative.
7.3
Use of the first and second derivative in
optimization problems.
Examples of applications: profit, area, volume.
Topic 7—Core: Calculus (continued)
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Indefinite integration as anti-differentiation. Indefinite integral interpreted as a family of
curves.
Indefinite integral of
xn (n‚ −1) , sin x , cos x ,e
x , 1x
.
1d
x lnx Cx
ç
= + .The composites of any of these with the linear
function
ax + b .Examples:
f
Œ(x)=cos(2x+3) ( ) 1sin(2 3)2
Ë
f x= x+ +C .7.4
See SL guide
Anti-differentiation with a boundary condition to
determine the constant term. Example: if d 3
2d
y x x
x
= +
and y =10 whenx
= 0, then 3 1 2 102
y
=x + x + .Definite integrals.
Area between a curve and the
x-axis or y-axis ina given interval, areas between curves. d
ba
ç
y x and d ba
ç
x y .Volumes of revolution. Revolution about the
x-axis or the y-axis.ƒÎ
2d ba
V
= ç y x, ƒÎ 2d ba
V
= ç x y.7.5
See SL guide
Topic 7—Core: Calculus (continued)
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33Content Amplifications/inclusions Exclusions
Kinematic problems involving displacement,
s,velocity,
v, and acceleration, a.d
d
v s
t
=
,2
2
d d d
d d d
a v s vv
t t s
= = =
. Area undervelocity–time graph represents distance.
7.6
See SL guide
Graphical behaviour of functions: tangents and
normals, behaviour for large
x ;Included: both gglobalh and glocalh behaviour.
asymptotes. Oblique asymptotes.
The significance of the second derivative;
distinction between maximum and minimum
points.
Use of the terms gconcave uph for
fŒŒ(x) > 0 ,gconcave downh for
fŒŒ(x) < 0 .Points of inflexion with zero and non-zero
gradients.
At a point of inflexion
fŒŒ(x) = 0 and f ŒŒ(x)changes sign (concavity change).
fŒŒ(x) = 0 isnot a sufficient condition for a point of inflexion:
for example,
y=x4 at (0,0) .Points of inflexion where
f ŒŒ(x) is notdefined, for example,
y=x1 3 at (0,0) .7.7
See SL guide
7.8
Implicit differentiation.Topic 7—Core: Calculus (continued)
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Further integration: Limit changes in definite integrals. Integration using partial fractions.
integration by substitution On examination papers: unusual substitutions
may be given.
7.9
integration by parts. Examples:
ç xsinxdx and çln xdx .Repeated integration by parts:
examples:
ç x2exdx and çex sin xdx .Reduction formulae.
7.10
Solution of first order differential equations byseparation of variables.
Option syllabus content
Topic 8—Option: Statistics and probability 40 hrs
Aims
The aims of this option are to allow students the opportunity to approach statistics in a practical way; to demonstrate a good level of statistical understanding;
and to understand which situations apply and to interpret the given results. It is expected that GDCs will be used throughout this option and that the minimum
requirement of a GDC will be to find pdf, cdf, inverse cdf,
p-values and test statistics including calculations for the following distributions: binomial, Poisson,normal,
t and chi-squared. Students are expected to set up the problem mathematically and then read the answers from the GDC, indicating this within theirwritten answers. Calculator-specific or brand-specific language should not be used within these explanations.
Details
© International Baccalaureate Organization 2006
35Content Amplifications/inclusions Exclusions
Expectation algebra. E(
aX+b)=aE(X )+b ;Var(
aX+b)=a2Var(X ) .Linear transformation of a single random
variable.
8.1
Mean and variance of linear combinations of
two independent random variables.
Extension to linear combinations of
nindependent random variables.
1 1 2 2 1 1 2 2
E(a X}a X )=a E(X )}a E(X ) ;2 2
1 1 2 2 1 1 2 2
Var(a X}a X )=a Var(X )+a Var(X ) .Topic 8—Option: Statistics and probability (continued)
© International Baccalaureate Organization 2006
36Content Amplifications/inclusions Exclusions
Cumulative distribution functions. Formal treatment of proof of means and
variances.
Discrete distributions: uniform, Bernoulli,
binomial, negative binomial, Poisson,
geometric, hypergeometric.
Probability mass functions, means and
variances.
8.2
Continuous distributions: uniform, exponential,
normal.
Probability density functions, means and
variances.
Distribution of the sample mean. Sampling without replacement.
The distribution of linear combinations of
independent normal random variables. In
particular
( ) 2X
~ N , 2 X~ N ,n
ƒÊ ƒÐ ƒÊ ƒÐ
⎛ ⎞
Ë ⎜⎟⎝⎠
.A linear combination of independent normally
distributed random variables is also normally
distributed.
The central limit theorem. Proof of the central limit theorem.
8.3
The approximate normality of the proportion of
successes in a large sample.
The extension of these results for large samples
to distributions that are not normal, using the
central limit theorem.
Distributions that do not satisfy the central limit
theorem.
Topic 8—Option: Statistics and probability (continued)
© International Baccalaureate Organization 2006
37Content Amplifications/inclusions Exclusions
Finding confidence intervals for the mean of a
population.
Use of the normal distribution when
ƒÐ is knownand the
t-distribution when ƒÐ is unknown(regardless of sample size). The case of paired
samples (matched pairs) could be tested as an
example of a single sample technique.
The difference of means and the difference of
proportions.
8.4
Finding confidence intervals for the proportion
of successes in a population.
Significance testing for a mean. Significance
testing for a proportion.
Use of the normal distribution when
ƒÐ is knownand the
t-distribution when ƒÐ is unknown. Thecase of paired samples (matched pairs) could be
tested as an example of a single sample
technique.
The difference of means and the difference of
proportions.
Null and alternative hypotheses
0 H and 1 H .Type I and Type II errors.
8.5
Significance levels; critical region, critical
values,
p-values; one-tailed and two-tailed tests.Topic 8—Option: Statistics and probability (continued)
© International Baccalaureate Organization 2006
38Content Amplifications/inclusions Exclusions
The chi-squared distribution: degrees of
freedom,
ƒÒ.The
ƒÔ 2 statistic, ( )22
o ecalc
e
f f
f
ƒÔ
−
=
ƒ° .Awareness of the fact that
2calc
ƒÔ is a measure ofthe discrepancy between observed and expected
values.
The
ƒÔ 2 goodness of fit test. Test for goodness of fit for all of the abovedistributions; the requirement to combine classes
with expected frequencies of less than 5.
8.6
Contingency tables: the
ƒÔ 2 test for theindependence of two variables.
Yatesf continuity correction for
ƒÒ =1.Topic 9—Option: Sets, relations and groups 40 hrs
Aims
The aims of this option are to provide the opportunity to study some important mathematical concepts, and introduce the principles of proof through abstract
algebra.
Details
© International Baccalaureate Organization 2006
39Content Amplifications/inclusions Exclusions
Finite and infinite sets. Subsets. Operations on
sets: union; intersection; complement, set
difference, symmetric difference.
9.1
De Morganfs laws; distributive, associative and
commutative laws (for union and intersection).
Illustration of these laws using Venn diagrams. Proofs of these laws.
9.2
Ordered pairs: the Cartesian product of two sets.Relations; equivalence relations; equivalence
classes.
An equivalence relation on a set induces a
partition of the set.
9.3
Functions: injections; surjections; bijections. The term gcodomainh.Composition of functions and inverse functions. Knowledge that the function composition is not
a commutative operation and that if
f is abijection from set
A onto set B then f −1 existsand is a bijection from set
B onto set A.Topic 9—Option: Sets, relations and groups (continued)
© International Baccalaureate Organization 2006
40Content Amplifications/inclusions Exclusions
Binary operations. A binary operation
∗ on a non-empty set S is arule for combining any two elements
a,b¸S togive a unique element
c. That is, in thisdefinition, a binary operation is not necessarily
closed.
On examination papers: candidates may be
required to test whether a given operation
satisfies the closure condition.
9.4
Operation tables (Cayley tables). Operation tables with the Latin square property
(every element appears once only in each row
and each column).
9.5
Binary operations with associative, distributiveand commutative properties.
The arithmetic operations in
and ; matrixoperations.
The identity element
e. Both the right-identity a∗e=a and left-identitye
∗a=a must hold if e is an identity element.The inverse
a−1 of an element a. Both a∗a−1=e and a−1∗a=e must hold.Proof that left-cancellation and right-cancellation
by an element
a hold, provided that a has aninverse.
9.6
Proofs of the uniqueness of the identity and
inverse elements.
Topic 9—Option: Sets, relations and groups (continued)
© International Baccalaureate Organization 2006
41Content Amplifications/inclusions Exclusions
The axioms of a group {
G,∗}. For the set G under a given operation ∗:•
G is closed under ∗•
∗ is associative•
G contains an identity element• each element in
G has an inverse in G.9.7
Abelian groups.
a∗b=b∗a, for alla,b¸G.The groups:
•
, , and under addition• matrices of the same order under addition
• 2
~ 2 invertible matrices undermultiplication
• integers under addition modulo
n• groups of transformations The composition
1 2 TT denotes 2 T followed by 1 T .• symmetries of an equilateral triangle,
rectangle and square
• invertible functions under composition of
functions
9.8
• permutations under composition of
permutations.
On examination papers: the form
1 2 3
3 1 2
p
⎛ ⎞
=
⎜ ⎟⎝ ⎠
will be used to represent the
mapping 1
¨3, 2¨1, 3¨2.Topic 9—Option: Sets, relations and groups (continued)
© International Baccalaureate Organization 2006
42Content Amplifications/inclusions Exclusions
9.9
Finite and infinite groups. Latin square property of a group table.The order of a group element and the order of a
group.
9.10
Cyclic groups. Generators.Proof that all cyclic groups are Abelian.
Subgroups, proper subgroups.
Use and proof of subgroup tests. Suppose
G is a group and H is a non-emptysubset of
G. H is a subgroup of G if ab−1¸Hwhenever
a,b¸H .Suppose
G is a finite group and H is a non-emptysubset of
G. H is a subgroup of G if H is closedunder the group operation.
9.11
Lagrangefs theorem.
Use and proof of the result that the order of a
finite group is divisible by the order of any
element. (Corollary to Lagrangefs theorem.)
On examination papers: questions requiring the
proof of Lagrangefs theorem will not be set.
Topic 9—Option: Sets, relations and groups (continued)
© International Baccalaureate Organization 2006
43Content Amplifications/inclusions Exclusions
Isomorphism of groups. Infinite groups as well as finite groups.
Two groups {
G,} and {H,•} are isomorphic ifthere exists a bijection
f :G¨H such thatf
(ab)=f(a)•f(b) for all a,b¸G.The function
f :G¨H is an isomorphism.9.12
Proof of isomorphism properties for identities
and inverses.
Identity: let
1 e and 2 e be the identity elementsof
G, H respectively, then 1 2 f(e)=e.Inverse:
( )f(a 1) f(a) 1 − = − for all a¸G.Topic 10—Option: Series and differential equations 40 hrs
Aims
The aims of this option are to introduce limit theorems and convergence of series, and to use calculus results to solve differential equations.
Details
© International Baccalaureate Organization 2006
44Content Amplifications/inclusions Exclusions
Infinite sequences of real numbers.
Limit theorems as
n approaches infinity. Limit of sum, difference, product, quotient;squeeze theorem.
Limit of a sequence. Formal definition: the sequence
{ } n u convergesto the limit
L, if for any ƒÃ > 0 , there is a positiveinteger
N such that n u −L<ƒÃ , for all n>N.Improper integrals of the type ( )d
a
f x x
‡ ç .10.1
The integral as a limit of a sum; lower sum and
upper sum.
Topic 10—Option: Series and differential equations (continued)
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45Content Amplifications/inclusions Exclusions
Convergence of infinite series. The sum of a series is the limit of the sequence
of its partial sums.
Partial fractions and telescoping series (method
of differences).
Simple linear non-repeated denominators.
Tests for convergence: comparison test; limit
comparison test; ratio test; integral test.
Students should be aware that if l
xim n 0x
¨‡
=
thenthe series is not necessarily convergent, but if
lim 0
x nx
¨‡
‚
, the series diverges.The
p-series, 1n
p ƒ° . 1n
p ƒ° is convergent for p >1 and divergentotherwise. When
p =1, this is the harmonicseries.
10.2
Use of integrals to estimate sums of series.
Series that converge absolutely.
Series that converge conditionally.
10.3
Alternating series. Conditions for convergence. The absolute value
of the truncation error is less than the next term
in the series.
10.4
Power series: radius of convergence and intervalof convergence. Determination of the radius of
convergence by the ratio test.
Topic 10—Option: Series and differential equations (continued)
© International Baccalaureate Organization 2006
46Content Amplifications/inclusions Exclusions
Taylor polynomials and series, including the
error term.
Applications to the approximation of functions;
formulae for the error term, both in terms of the
value of the (
n +1)th derivative at anintermediate point, and in terms of an integral of
the (
n +1)th derivative.Proof of Taylorfs theorem.
Differentiation and integration of series (valid
only on the interval of convergence of the initial
series).
Use of products and quotients to obtain other
series.
Maclaurin series for e
x , sin x , cos x , arctan x ,ln
(1+ x), (1 )p + x . Use of substitution to obtainother series.
Intervals of convergence for these Maclaurin
series.
Example:
2 ex .10.5
The evaluation of limits of the form
( )( )
limx a
f x
¨
g xusing lfHôpitalfs Rule and/or the Taylor series.
Cases where the derivatives of
f (x) and g(x)vanish for
x = a .Proof of lfHôpitalfs Rule.
Topic 10—Option: Series and differential equations (continued)
© International Baccalaureate Organization 2006
47Content Amplifications/inclusions Exclusions
First order differential equations: geometric
interpretation using slope fields;
numerical solution of d
( , )d
y f x y
x
=
usingEulerfs method.
1
( , ) n n n n y y h f x y + = + ~ ; n1 n x x h + = + , where his a constant.
Homogeneous differential equation d
d
y f y
x x
=
⎛⎜ ⎞⎟⎝ ⎠
using the substitution
y=vx.10.6
Solution of
yŒ+P(x)y=Q(x) , using theintegrating factor.
Topic 11—Option: Discrete mathematics 40 hrs
Aims
The aim of this option is to provide the opportunity for students to engage in logical reasoning, algorithmic thinking and applications.
Details
© International Baccalaureate Organization 2006
48Content Amplifications/inclusions Exclusions
Division and Euclidean algorithms. The theorem
a|b and a|cËa|(bx}cy)where
x,y¸Z .The division algorithm
a=bq+r, 0≤r<b.The greatest common divisor, gcd(
a,b) , andthe least common multiple, lcm(
a,b) , ofintegers
a and b.The Euclidean algorithm for determining the
greatest common divisor of two integers.
11.1
Relatively prime numbers; prime numbers and
the fundamental theorem of arithmetic.
Proof of the fundamental theorem of arithmetic.
11.2
Representation of integers in different bases. On examination papers: questions that gobeyond base 16 are unlikely to be set.
11.3
Linear diophantine equations ax+by=c . General solutions required and solutions subjectto constraints. For example, all solutions must
be positive.
11.4
Modular arithmetic. Linear congruences.Chinese remainder theorem.
11.5
Fermatfs little theorem. ap ßa(modp) where p is prime. On examination papers: questions requiringproof of the theorem will not be set.
Topic 11—Option: Discrete mathematics (continued)
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49Content Amplifications/inclusions Exclusions
Graphs, vertices, edges. Adjacent vertices,
adjacent edges.
Two vertices are adjacent if they are joined by
an edge. Two edges are adjacent if they have a
common vertex.
Simple graphs; connected graphs; complete
graphs; bipartite graphs; planar graphs, trees,
weighted graphs.
Subgraphs; complements of graphs.
Eulerfs relation:
v−e+ f =2 ; theorems forplanar graphs including
e≤3v−6, e≤2v−4 ,5
ƒÈ and 3,3 ƒÈ are not planar.11.6
Graph isomorphism. Simple graphs only for isomorphism.
11.7
Walks, trails, paths, circuits, cycles.Hamiltonian paths and cycles; Eulerian trails
and circuits.
A connected graph contains a Eulerian circuit if
and only if every vertex of the graph is of even
degree.
Diracfs theorem for Hamiltonian cycles.
Adjacency matrix. Applications to isomorphism and of the powers
of the adjacency matrix to number of walks.
11.8
Cost adjacency matrix.
11.9
Graph algorithms: Primfs; Kruskalfs;Dijkstrafs.
These are examples of ggreedyh algorithms.
Topic 11—Option: Discrete mathematics (continued)
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50Content Amplifications/inclusions Exclusions
gChinese postmanh problem (groute inspectionh). To determine the shortest route around a
weighted graph going along each edge at least
once (route inspection algorithm).
Graphs with more than two vertices of odd
degree.
gTravelling salesmanh problem. To determine the Hamiltonian cycle of least
weight in a weighted complete graph.
11.10
Algorithms for determining upper and lower
bounds of the travelling salesman problem.
Graphs in which the triangle inequality is not
satisfied