O-LevelMathematicsVectors and transformations4024/11 · Oct/Nov 2020 · Q204 Marks
Triangle A and triangle B are drawn on the grid.
- (a)Complete the description of the transformation that maps triangle A onto triangle B. Enlargement[2]
- (b)Triangle A is mapped onto triangle C by a reflection in the line y=-x. On the grid, draw and label triangle C.[2]
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 2020). The mark or mark type is shown in brackets.
- [2] [Centre] (4, 2) and [scale factor] 3
- B1 for either
- [2] Triangle C with vertices at (-2, -1), (-3,-1), (-3, -3).
- B1 for two correct vertices
- or B1 for a triangle with the correct size and orientation, but in the wrong position
- or SC1 for a correct reflection in y = x
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