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1.13 J: Vectors

1.13 J: Vectors

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Question 59

It is given that a=3i−4j\mathbf{a} = 3\mathbf{i} - 4\mathbf{j}a=3i−4j.

Find ∣a∣|\mathbf{a}|∣a∣.

Circle your answer.

A

777

B

555

C

252525

D

7\sqrt{7}7​

Markscheme

1.13 J: Vectors Questions

  1. A Level
  2. /Maths
  3. /1.13 J: Vectors

168 exam-style questions on AQA A Level Maths 1.13 J: Vectors, covering 1.13.1 Vectors in two and three dimensions, 1.13.2 Magnitude and direction of a vector, 1.13.3 Vector arithmetic, 1.13.4 Position vectors, and 1.13.5 Vectors to solve problems. Each one has a worked solution and a mark scheme showing where the marks go.

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