3. Equations and Inequalities

3.01 Simple quadratic equations

3.02 Solve by factorisation

3.03 Completing the square

3.04 Quadratic formula

3.05 Quadratic equations with technology

3.06 Absolute value equations and inequalities

3.07 Further quadratic equations

3.08 Substitution method for simultaneous equations

3.09 Elimination method for simultaneous equations

iGCSE (2021 Edition)

3.08 Substitution method for simultaneous equations

Worksheet

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Outcomes

0606C3.3

Use substitution to form and solve a quadratic equation in order to solve a related equation.

0606C6.1

Solve simple simultaneous equations in two unknowns by elimination or substitution.

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