Question

In the image, two circles are centered at A. The circle containing B was dilated to produce the circle containing B′. What is the scale factor of the dilation?

1

2

0.5

-0.5

Answer 1

The diameter of B is from -2 to 2, which = 4 units.

The diameter of B' is from -1 to 1, which equals 2 units.

2/4 = 1/2 = 0.5 scale factor.

The answer is C. 0.5

Explanation:

Answer 2

To answer the question above as to the scale factor of the dilation which in an image not provided, two circles are centered at A, The circle containing B was dilated to produce circle containing B'. The answer is number 1.

I hope my answer has come to your help. God bless and have a nice day ahead!