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Cambridge IGCSE Additional Mathematics

4Equations, inequalities and graphs

Equations, inequalities and graphs in Cambridge IGCSE Additional Mathematics: what the syllabus expects you to know, the learning objectives and how to practise.
Topic74 practice questions4 lessons

In this topic

Lessons

  • Modulus equations

    30 min

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  • Modulus inequalities

    30 min

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  • Equations reducible to quadratic form

    35 min

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  • Cubic graphs and cubic inequalities

    30 min

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Sample question

A sample question on this topic. Answer it, check it, then read the worked answer.

Equations, inequalities and graphs: sample question

1 mark

How many times does the curve y=x(x−2)(x+5)y = x(x - 2)(x + 5) cross the xx-axis?

Only if the answer has a unit, e.g. cm or km/h.

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