Point `Q(3,1)` on the Cartesian plane is rotated 180° about the origin in a clockwise direction to become point `Q^(′)`.
What are the coordinates of `Q^(′)`. (2 marks)
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`text{Rotating 180° = Rotating 90° twice (in either direction)}`
`text{1st 90° rotation (clockwise):}`
`Q(3,1)\ ->\ (1,-3)`
`text{2nd 90° rotation (clockwise):}`
`(1,-3)\ ->\ Q^(′)(-3,-1)`
