Answer:
It's C (x,y) --> (0.5x, 0.5y)
Explanation:
ABCD are the original and A'B'C'D" is the dilation
Point A is (4,10) and Point A' is (2,5) so the dilation is .5
it was dilated by 1/2 so:
choice 3) (x,y) -> (0.5x, 0.5y)
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