(a(i))[2]
On the grid, sketch the image of shape $A$ after reflecting it in the line $x = 1$.
(a(ii))[2]
On the grid, sketch the image of shape $A$ after an enlargement with scale factor $-2$, centre $(0, 1)$.
(a(iii))[3]
On the grid, sketch the image of shape $A$ after applying the transformation represented by the matrix $\begin{pmatrix}0 & -1\\ 1 & 0\end{pmatrix}$.
(b)[3]
Describe fully the single transformation shown by the matrix $\begin{pmatrix}3 & 0\\ 0 & 3\end{pmatrix}$.