REVISION NOTES

IGCSE Edexcel Mathematics A

2.8 Inequalities

2.8.1 Understand and use the symbols >,<,  and 

edexcel_igcse_mathematics a_topic 19_inequalities_003_Inequalities

2.8.2 Understand and use the convention for open and closed intervals on a number line

2.8.3 Solve simple linear inequalities in one variable and represent the solution set on a number line

edexcel_igcse_mathematics a_topic 19_inequalities_004_Linear inequalities

2.8.4 Represent simple linear inequalities on rectangular Cartesian graphs

edexcel_igcse_mathematics a_topic 19_inequalities_006_linear inequalities(Graph)

2.8.5 Identify regions on rectangular Cartesian graphs defined by simple linear inequalities

2.8.6 Solve quadratic inequalities in one unknown and represent the solution set on a number line (Higher Tier Only)

edexcel_igcse_mathematics a_topic 19_inequalities_005_Quadratic inequalities

2.8.7 Identify harder examples of regions defined by linear inequalities (Higher Tier Only)

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1.1 Integers

1.2 Fractions

1.3 Decimals

1.4 Powers and Roots

1.5 Set Language and Notation

1.6 Percentages

1.7 Ratio and Proportion

1.8 Degree of Accuracy

1.9 Standard Form

1.10 Applying Numbers

1.11 Electronic Calculator

2.1 Use of Symbols

2.2 Algebraic Manipulation

2.3 Expressions and Formulae

2.4 Linear Equations

2.5 Proportion (Higher Tier Only)

2.6 Simultaneous Linear Equations

2.7 Quadratic Equations

2.8 Inequalities

3.1 Sequences

3.2 Function Notation (Higher Tier Only)

3.3 Graphs

3.4 Calculus (Higher Tier Only)

4.1 Angles, Lines & Triangles

4.2 Polygons

4.3 Symmetry

4.4 Measures

4.5 Construction

4.6 Circle Properties

4.7 Geometric Reasoning

4.8 Trigonometry and Pythagoras’ Theorem

4.9 Mensuration of 2D Shapes

4.10 3D Shapes and Volumes

4.11 Similarity

5.1 Vectors (Higher Tier Only)

5.2 Transformation Geometry

6.1 Graphical Representation of Data

6.2 Statistical Measures

6.3 Probability

7.1 Appendix 1: Foundation Tier Formula Sheet (Given)

7.2 Appendix 2: Foundation Tier Formula Sheet (To Memorise)

7.3 Appendix 3: Higher Tier Formula Sheet (Given)

7.4 Appendix 4: Higher Tier Formula Sheet (To Memorise)

7.5 Appendix 5: Notation

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