Question

Under a dilation centered at the origin, the image is congruent to the preimage. What is the scale factor?


A. –1 or 0 C. only 1
B. 0 or 1 D. –1 or 1

Answer 1

so look at the answer choices

Answer 2

ok its 1 -.-

Answer 3

you multiply the co-ordinates by that number

Answer 4

so if you get same co-ordinates then what will be the number