Question

The vertices of a square are A(1, -1), B(1, -8), C(8, -8) and D(8, -1) and it is dilated with the center of dilation at the origin and a scale factor of 2. Find the coordinates of B.

(0.5, -4)
(2, -16)
(-16, 2)
(-4, 0.5)

Answer 1

with scale factor of 2
multiply the coordinates by 2
B(1,-8)
B' (2,-16)

Answer 2

thanks