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ZIMSEC O-Level Additional Mathematics

6.1.3.1Identities

Identities in ZIMSEC O-Level Additional Mathematics: what the syllabus expects you to know, the learning objectives and how to practise.
Subtopic22 practice questions1 lesson

Learning objectives

What the syllabus expects you to be able to do.

  1. 6.1.3.1.1Form 3: distinguish identities from equations.
  2. 6.1.3.1.2Form 3: find unknown coefficients using identities.

Lessons

  • Identities and unknown coefficients

    30 min

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Sample question

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

Identities: sample question

1 mark

Given that ax+2(x−b)≡7x−6ax + 2(x - b) \equiv 7x - 6, find the value of aa.

Complete: a = …

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

Turn Identities into a strength.

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