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ZIMSEC O-Level Mathematics

11Vectors

Vectors in ZIMSEC O-Level Mathematics: what the syllabus expects you to know, the learning objectives and how to practise.
Topic60 practice questions3 lessons

Learning objectives

What the syllabus expects you to be able to do.

  1. 11.0.1Represent translations by column vectors and directed line segments, and recognise equal, negative, parallel and position vectors.
  2. 11.0.2Add and subtract vectors, multiply a vector by a scalar and calculate the magnitude of a vector.
  3. 11.0.3Use vectors to establish properties of plane shapes, such as parallel lines and collinear points.

Lessons

  • Magnitude of a vector

    25 min

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  • Vector geometry: position vectors, ratios and proofs

    40 min

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  • Vectors in two dimensions

    30 min

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Sample question

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

Vectors: sample question

1 mark

Find ∣(815)∣\left| \begin{pmatrix} 8 \\ 15 \end{pmatrix} \right|.

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

Turn Vectors into a strength.

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