O-LevelMathematicsVectors and transformations4024/22 · Oct/Nov 2022 · Q67 Marks
[Figure with Triangle A and D on a grid]
- (a)Reflect triangle A in the line x = 1. Label the image B.[2]
- (b)Triangle A is mapped onto triangle D by a combination of two transformations. Triangle A is first mapped onto triangle C by transformation Y. Triangle C is then mapped onto triangle D by a translation of (6/1). Describe fully transformation Y.[5]
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Mark scheme
Marking points from the official mark scheme (Oct/Nov 2022). The mark or mark type is shown in brackets.
- [2] B1 for reflection in y = 1 or reflection in x = m where –4 < m < 1.5
- [5] M2 for triangle C at (-2, -2), (–2, 3), (–5,-3) or M1 for triangle D translated by (-6/k) or (k/-1) or for (-6/-1) soi B2dep for two of: rotation 90 anticlockwise oe (0, 0) oe or B1dep for rotation or 90 anticlockwise oe or (0, 0) oe After 0 scored, SC2 for answer (0 -1 / 1 0)
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