Question

An image has point W'(7, -3), and the pre-image has point W(21, -9). What scale factor was used to dilate the pre-image?
1/3
1/9
3
9

Answer 1

The scale factor is 7/21 = 1/3 . . . . . . corresponding to the 1st selection.

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You can also compute it from -3/-9 = 1/3.

Answer 2

Answer:

1/3

Step-by-step explanation: