Question

BRE

What is the scale factor of this dilation?
A'
9
6
B'
15
10
[Not drawn to scale]
O
WN
O
O 3
OO
5

Answer 1

2nd option

Explanation:

the scale factor is the ratio of corresponding sides, image to original, so

scale factor =
`(A'C')/(AC)` =
`(9)/(6)` =
`(3)/(2)` = 1
`(1)/(2)`