REVISION NOTES

IGCSE Edexcel Mathematics A

2.7 Quadratic Equations

2.7.1 Solve quadratic equations by factorisation (limited to x² + bx + c = 0)

edexcel_igcse_mathematics a_topic 18_quadratic equations_001_Factorising-01

2.7.2 Solve quadratic equations by using the quadratic formula or completing the square (Higher Tier Only)

edexcel_igcse_mathematics a_topic 18_quadratic equations_002_Completing the Square (a = 1)
edexcel_igcse_mathematics a_topic 18_quadratic equations_003_Completing the Square (a = 1)
edexcel_igcse_mathematics a_topic 18_quadratic equations_004_Completing the Square (a = 1)

2.7.3 Form and solve quadratic equations from data given in a context (Higher Tier Only)

edexcel_igcse_mathematics a_topic 18_quadratic equations_007_Quadratic Formula
edexcel_igcse_mathematics a_topic 18_quadratic equations_008_Quadratic Formula
edexcel_igcse_mathematics a_topic 18_quadratic equations_009_Quadratic Simultaneous Equation

2.7.4 Solve simultaneous equations in two unknowns, one equation being linear and the other being quadratic (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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