O-LevelMathematicsVectors and transformations4024/12 · May/June 2014 · Q174 Marks
The diagram shows triangles A, B and C. [Figure 17.1]
- (a)Triangle A can be mapped onto triangle B by a translation. Write down the column vector for the translation.[1]
- (b)Find the matrix representing the transformation that maps triangle A onto triangle C.[1]
- (c)Triangle A is mapped onto triangle D by an enlargement, scale factor 2, centre (5,0). Draw and label triangle D.[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 (May/June 2014). The mark or mark type is shown in brackets.
- [1] (3; 1)
- [1] (-1 0; 0 1)
- [2] Correct enlargement, vertices (-1, 2), (1, 2), (1, 6)
- [2] B1 for two vertices corrector for correct size and correct orientation
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