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Question 79

Relative to a fixed origin OOO, the point A A\,A has position vector (4i−3j+7k)(4\mathbf{i} - 3\mathbf{j} + 7\mathbf{k})(4i−3j+7k), the point B B\,B has position vector (9i−11j+2k)(9\mathbf{i} - 11\mathbf{j} + 2\mathbf{k})(9i−11j+2k), and the point C C\,C has position vector (5i−8j−5k)(5\mathbf{i} - 8\mathbf{j} - 5\mathbf{k})(5i−8j−5k).

a.

Find BC⃗\vec{BC}BC

[2]
b.

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

[3]
Markscheme

Vectors Questions

  1. A Level
  2. /Maths
  3. /Vectors

309 exam-style questions on Edexcel A Level Maths Vectors, covering 12.1 3D Coordinates, 12.2 Vectors in 3D, 12.3 Solving Geometric Problems, and 12.4 Application to Mechanics. Each one has a worked solution and a mark scheme showing where the marks go.

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