Transformations of Shapes: WJEC GCSE Higher June 2023 Unit 1 Q1

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Higher June 2023 Unit 1 Q1

(a) Translate the shape shown below using the column vector \(\begin{pmatrix}-1\\7\end{pmatrix}\). [1]

(b) Write down the column vector that will reverse the translation in part (a). [1]

Scheme	Marks	Comments
	B1

Mark scheme (b)

Scheme	Marks	Comments
\(\begin{pmatrix}1\\-7\end{pmatrix}\)	B1	Award B0 for \(\begin{matrix}1\\-7\end{matrix}\) (missing brackets) \(\begin{pmatrix}-7\\1\end{pmatrix}\) (1,−7) \(\dfrac{1}{-7}\) with or without brackets. \(-\begin{pmatrix}-1\\7\end{pmatrix}\) .