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Cambridge IGCSE Additional Mathematics

7.4Transforming relationships to straight-line form

Transforming relationships to straight-line form in Cambridge IGCSE Additional Mathematics: what the syllabus expects you to know, the learning objectives and how to practise.
Subtopic18 practice questions1 lesson
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Learning objectives

What the syllabus expects you to be able to do.

  1. 7.4Transform relationships to and from straight-line form and find unknown constants from the gradient or intercept.

Lessons

  • Reducing relationships to straight-line form

    40 min

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Sample question

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

Transforming relationships to straight-line form: sample question

1 mark

The variables satisfy y=Abxy = Ab^x. A graph of lg⁡y\lg y against xx is a straight line. What does its gradient represent?

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