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4MA1/2H Jun 2025, Question 2: Describing Transformations

Pearson Edexcel International GCSE Mathematics A 4MA1 · Paper 2H (Higher) · Calculator · 5 marks

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The question, in short

Using the given grid, carry out an enlargement of shape A and identify the single transformation linking triangles P and Q.

Summarised in our own words. Use the official paper for the exact wording and the diagram.

Part (a) · 2 marks

Draw shape A enlarged by scale factor 3 about the point (0, 1) on the grid.

  1. 1Each vertex: distance from (0, 1) multiplied by 3
  2. 2(1, 1) → (3, 1), (3, 1) → (9, 1)
  3. 3(3, 4) → (9, 10), (2, 4) → (6, 10)
  4. 4(2, 2) → (6, 4), (1, 2) → (3, 4)

AnswerShape with vertices (3, 1), (9, 1), (9, 10), (6, 10), (6, 4), (3, 4)

Part (b) · 3 marks

State fully the one transformation that takes triangle P to triangle Q.

  1. 1Right angle (2, 2) maps to (8, 8)
  2. 2(4, 2) maps to (6, 8), (2, 6) maps to (8, 4)
  3. 3Each point is reflected through the midpoint: ((2 + 8)/2, (2 + 8)/2) = (5, 5)
  4. 4Rotation 180° about centre (5, 5)

AnswerRotation 180° about (5, 5)

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