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Cambridge IGCSE Mathematics

7.3Magnitude of a vector

Magnitude of a vector 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. 7.3.1Extended: calculate the magnitude of a column vector as √(x² + y²).

Lessons

  • Magnitude of a vector

    25 min

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Sample question

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

Magnitude of a vector: 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.

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