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Intermediate June 2023 Unit 1 Q11

WJECIntermediateCurrent spec4 marksTransformations of Shapes

11.

(a) Rotate the shape shown below by \(90^\circ\) anticlockwise about the origin. [2]
Coordinate grid, x and y from −9 to 9, with an L-shape whose vertices are (−7, −1), (−6, −1), (−6, −5), (−4, −5), (−4, −6), (−7, −6)
(b)
(i) Translate the shape shown below using the column vector \(\begin{pmatrix} -1 \\ 7 \end{pmatrix}\). [1]
Coordinate grid, x and y from −9 to 9, with the same L-shape: vertices (−7, −1), (−6, −1), (−6, −5), (−4, −5), (−4, −6), (−7, −6)
(ii) Write down the column vector that will reverse the translation in part (i). [1]
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