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2 marksPosition Vectors

CSEC Mathematics · January 2004 · Paper 2 · Question 13(a)

ABC is a triangle. The coordinates of points A, B and C are (2,2), (6,2) and (4,6) respectively.

Write in the form [x y] the position vectors of A, B and C.

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Other parts of this question

  1. 13(b)(i)Write in the form [x y] the vector AB.[4 marks]
  2. 13(b)(ii)Write in the form [x y] the vector AC.[4 marks]
  3. 13(b)(iii)Write in the form [x y] the vector BC.[4 marks]
  4. 13(c)Show by a vector method that triangle ABC is an isosceles triangle.[5 marks]
  5. 13(d)Determine the position vector of the point D, such that BD is parallel to AC and ABDC forms a parallelogram.[4 marks]

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