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O-LevelMathematicsCoordinate geometry4024/11 · Oct/Nov 2017 · Q163 Marks

The coordinates of P and Q are (0, 7) and (10, −1).

  1. (a)Find the coordinates of the midpoint of PQ.[1]
  2. (b)The length of PQ is √N units, where N is an integer. Find N.[2]

Mark scheme

Marking points from the official mark scheme (Oct/Nov 2017). The mark or mark type is shown in brackets.

  1. [1] (5, 3)
  2. [2] M1 for [0-10]² + [7 - (-1)]² or for [10-0]² + [−1 – 7]²
  3. [2] 164 nfww

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About this question

Topic
Coordinate geometry, O-Level Mathematics (syllabus 4024). Structured question, 3 marks.
Source
O-Level Mathematics, Oct/Nov 2017 Paper 1 Variant 1, question 16.

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