Question

The dilation D: (x, y) → (0.2x, 0.2y) has been applied to the polygon S(–5, 5), T(–5, 10), U(5, 15). What are the coordinates of the image points?

Answer 1

multiply each coordinate by 0.2
-5*0.2=-1
5*0.2=1
10*0.2=2
15*0.2=3
a is the correct answer.