Page 4 - MATHEMATICS COURSE FOR SECONDARY SCHOOLS BOOK 2
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Algebraic operations 1 Laws of operations 2 Identity and inverse operations 6 Laws of indices 9 Simplifying algebraic expressions 16 Factorisation 19 Factorisation of quadratic expressions 22 Linear equations 25 Simultaneous equations 28 Word problems: simultaneous equations 34
Index form 38 Negative index 38 Raising a power to a power 40 Fractional indices 41 Standard form 42 Revision exercise 43
Pythagoras theorem 47 Pythagorean triads 38 Word problems: Pythagoras theorem 50 Basic trigonometric ratios 51 Problems involving trigonometric ratios
and Pythagoras theorem 59 Angles of elevation and depression 62 Revision exercise 66
Circle 69 Area of circle 72 Deriving the formula for area 74 Word problems: Area of circle 77 Arc and sector of a circle 80 Length of arc and area of a sector 80 Perimeter and area of compound shapes 81 Area and segment of a circle 85 Revision exercise 87
Data and statistics 89 Displaying data 93 Bar charts and bar-line graphs 93 Pie charts 96 Grouped frequency distribution 99 Histograms 102 Frequency polygon 107 Measures of central tendency 110 Appropriate measure of
central tendency 123 Probability 123 Revision exercise 133
Relations 136 Mappings and functions 140 Mappings and quadratic functions 143 Distinguishing between relations
and functions 145 Revision exercise 151
CONTENTS
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