Question

6 transformation: rotations practice #3
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point q(2, - 1) is rotated 90° clockwise about the origin.
what are the coordinates of its image after this transformation?
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q (□,□)

Explanation:

Step1: Recall rotation rule

For a 90 - degree clockwise rotation about the origin, the rule is $(x,y)\to(y, - x)$.

Step2: Apply the rule to point Q

Given $Q(2,-1)$, where $x = 2$ and $y=-1$. After applying the rule, the new $x$ - coordinate is $y=-1$ and the new $y$ - coordinate is $-x=-2$.

Answer:

$Q'(-1,-2)$