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O-LevelMathematicsVectors and transformations4024/11 · Oct/Nov 2016 · Q154 Marks

[Figure 15.1]

  1. (a)Describe the single transformation that maps triangle A onto triangle B.[2]
  2. (b)Triangle A is mapped onto triangle C by an enlargement, centre (0, 2) and scale factor -2. Draw, and label, triangle C on the diagram.[2]

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Mark scheme

Marking points from the official mark scheme (Oct/Nov 2016). The mark or mark type is shown in brackets.

  1. [1] (a) Rotation
  2. [1] (a) 90° clockwise oe, centre (3, 1)
  3. Mark lost if a second transformation is named.
  4. [2*] (b) vertices: (-2, 4), (-4, 0), (-4, 4)
  5. B1 for two correct vertices,
  6. or for vertices (2, 0), (4, 0), (4, 4)

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About this question

Topic
Vectors and transformations, O-Level Mathematics (syllabus 4024). Structured question, 4 marks.
Source
O-Level Mathematics, Oct/Nov 2016 Paper 1 Variant 1, question 15.

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