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O-LevelMathematicsVectors and transformations4024/11 · May/June 2020 · Q252 Marks

O, P and Q are points as shown in the diagram. OP = a-2b and OQ = 4a+4b. Express PQ, as simply as possible, in terms of a and b.

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Mark scheme

Marking points from the official mark scheme (May/June 2020). The mark or mark type is shown in brackets.

  1. [2] 3a+6b
  2. [2] M1 for 3a + kb or ka + 6b (k≠0)

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About this question

Topic
Vectors and transformations, O-Level Mathematics (syllabus 4024). Structured question, 2 marks.
Source
O-Level Mathematics, May/June 2020 Paper 1 Variant 1, question 25.

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