Question

Under a dilation, triangle XYZ where X(4, 7), Y(-3, 8), and Z(-2, -1) becomes triangle X’Y’Z’ where X’(12, 21), Y’(-9, 24), and Z’(-6,-3). What is the scale factor for this dilation?

Answer 1

Select one:
a.1/3
b.-1/3
c. -3
d. 3

Answer 2

look at X - how do you go from 4 to 12 and from 7 to 21

Answer 3

Times it by 3. *facepalm*

Sorry I'm tired.