Question

What is the scale factor? A (3, 6) B ( 12, 9)----> A’(1, 2) B’ (4, 3)

Answer 1

3:1

Explanation:

If you divide all the coordinates in the first set by 3, you will get the second set's coordinates. Therefore, the ration to "the first set" to "the second set" is 3:1