Quelpr
4 marksMagnitude and Direction of a Vector

CSEC Additional Mathematics · 2018 · Paper 2 · Question 3(c)(i)

The position vectors of two points, A and B, relative to a fixed origin, O, are given by OA = 2i + j and OB = 3i - 5j, where i and j represent the unit vectors in the x and y directions respectively.

Calculate the magnitude of AB.

The mark scheme is shown once you've answered.

Practise this question

Other parts of this question

  1. 3(a)Determine the equation of the circle that has centre (5, -2), and passes through the origin.[3 marks]
  2. 3(b)Determine whether the following pair of lines is parallel: x + y = 4 and 3x - 2y = -3.[2 marks]
  3. 3(c)(ii)Calculate the angle AÔB, giving your answer to the nearest whole number.[3 marks]

More practice: the rest of this paper · more Magnitude and Direction of a Vector questions · all CSEC Additional Mathematics past papers