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Cambridge IGCSE Additional Mathematics

6.3Equations of the form aˣ = b

Equations of the form aˣ = b in Cambridge IGCSE Additional 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. 6.3Solve equations of the form aˣ = b.

Lessons

  • Exponential and logarithmic equations

    40 min

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Sample question

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

Equations of the form aˣ = b: sample question

1 mark

Solve 3x=503^x = 50, giving xx correct to 3 significant figures.

Complete: x = …

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

Turn Equations of the form aˣ = b into a strength.

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