Question

What IS
the scale factor of this dilation?

Answer 1

3

Explanation:

out of 2 we need to create 2+4=6

and out of 3 we need to create 3+6=9.

2×f = 6

f = 6/2 = 3

and it fits also in the other relation

3×f = 3×3 = 9

perfect.