Question

What is the image of (-1, 1) after a dilation of 2?
(1,3)
(-2, 2)
(2, 2)

Answer 1

The answer is b. (-2,2)

Since it is a dilation of 2, multiply each number by 2.

-1*2=-2
1*2=2

So after the dilation, it would be (-2,2)