Question

Line segment AB has endpoints A(1, 4) and B(2, 8) . A dilation, centered at the origin, is applied to AB¯¯¯¯¯ . The image has endpoints A′(1/8, 1/2) and B′(1/4, 1) .

What is the scale factor of the dilation?

A.1/8
B.1/2
C.2
D.8

Answer 1

1/8

Explanation:

We are gonna take old Bs x value and new Bs x value to help us solve this. So it’s

New size/Original size

1 divided by 8 is 1/8.

So our answer is 1/8.

Answer 2

The answer would be B.1/2