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Vectors

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Question 43

Given that the point A A\,A has position vector −4i+7j-4\mathbf{i} + 7\mathbf{j}−4i+7j and the point B B\,B has position vector −8i+2j-8\mathbf{i} + 2\mathbf{j}−8i+2j

a.

Find the vector AB⃗\vec{AB}AB

[2]
b.

Find ∣AB⃗∣|\vec{AB}|∣AB∣

[2]
c.

Hence find a unit vector in the direction of AB⃗\vec{AB}AB

[2]
Markscheme

Vectors Questions

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

284 exam-style questions on Edexcel A Level Maths Vectors, covering 11.1 Vectors, 11.2 Representing Vectors, 11.3 Magnitude and Direction, 11.4 Position Vectors, 11.5 Solving Geometric Problems, and 11.6 Modelling with Vectors. Each one has a worked solution and a mark scheme showing where the marks go.

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