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Vectors

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Question 163

Given that the point A A\,A has position vector 2i−6j2\mathbf{i} - 6\mathbf{j}2i−6j and the point B B\,B has position vector −4i+kj-4\mathbf{i} + k\mathbf{j}−4i+kj, where k k\,k is a constant

a.

Find the vector AB⃗\vec{AB}AB in terms of kkk

[2]
b.

Find ∣AB⃗∣|\vec{AB}|∣AB∣ in terms of k k\,k

Give your answer in exact form.

[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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