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4.11 Vectors (A-level only)

4.11 Vectors (A-level only)

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Question 58

Relative to a fixed origin OOO, the point A A\,A has position vector (4i−2j−5k)(4\mathbf{i} - 2\mathbf{j} - 5\mathbf{k})(4i−2j−5k), the point B B\,B has position vector (6i+j−9k)(6\mathbf{i} + \mathbf{j} - 9\mathbf{k})(6i+j−9k), and the point C C\,C has position vector (4i+6j−8k)(4\mathbf{i} + 6\mathbf{j} - 8\mathbf{k})(4i+6j−8k).

a.

Find AB⃗\vec{AB}AB.

[2]
b.

Show that the quadrilateral OABC OABC\,OABC is a trapezium, giving reasons for your answer.

[3]
Markscheme

4.11 Vectors (A-level only) Questions

  1. A Level
  2. /Maths
  3. /4.11 Vectors (A-level only)

133 exam-style questions on WJEC A Level Maths 4.11 Vectors (A-level only), covering 4.11.1 Vectors (A-level only) and 4.11.2 Vectors (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.

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