O-LevelMathematicsVectors and transformations4024/12 · Oct/Nov 2023 · Q76 Marks
Shape A and triangles P and Q are drawn on a centimetre square grid. [Figure 7]
- (a)Describe fully the single transformation that maps triangle P onto triangle Q.[3]
- (b)Shape B is an enlargement of shape A. The centre of enlargement is (5, 5). The area of shape B is 27 cm². Draw shape B on the grid.[3]
This question uses a diagram from the original paper, which isn't shown here. Open the full paper from the past papers archive to see it.
Mark scheme
Marking points from the official mark scheme (Oct/Nov 2023). The mark or mark type is shown in brackets.
- [3] Rotation
- 90° clockwise oe
- [centre] (0, 0)
- B1 for each
- [3] Shape drawn at
- (-7, 2), (-1, 2), (-1, -4),
- (-4, -4), (-4, -1), (-7, -1)
- B2 for correct size and orientation, wrong centre
- or 5 correct vertices plotted
- or B1 for length scale factor = 3 soi
- or for correct enlargement centre (5, 5) with scale factor 2 or 0.5
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