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Cambridge IGCSE Mathematics

2.10Graphs of functions

Graphs of functions in Cambridge IGCSE Mathematics: what the syllabus expects you to know, the learning objectives and how to practise.
Subtopic20 practice questions1 lesson

Learning objectives

What the syllabus expects you to be able to do.

  1. 2.10.1Complete tables of values and draw, recognise and interpret graphs of linear, quadratic and reciprocal functions with integer coefficients.
  2. 2.10.2Solve equations graphically, including finding roots and using the intersection of a line and a curve.
  3. 2.10.3Extended: draw and interpret graphs of functions made of up to three terms axⁿ (n = −2, −1, −½, 0, ½, 1, 2, 3) and of exponential functions, including graphs of exponential growth and decay.

Lessons

  • Graphs of functions and solving equations graphically

    40 min

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Sample question

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

Graphs of functions: sample question

1 mark

Find the value of y=2x2−3x+1y = 2x^2 - 3x + 1 when x=−2x = -2.

Complete: y = …

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

Turn Graphs of functions into a strength.

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