Find the coordinates of the image of M(-1,2) under a rotation through 90º clockwise about C(1,-1).

The coordinates of the image are (4,1).

Find the coordinates of the image of M(-1,2) under a rotation through 270º anticlockwise about D(0,-2).

The coordinates of the image are (4,-1).

If Q is mapped onto Q'(4,2) under a 90º anticlockwise rotation about C(-1,3), find the coordinates of Q.

Q is the image of Q'(4,2) under a 90º clockwise rotation about (-1,3).

The coordinates of Q are (-2,2)