Question

Which scale factors produce a contraction under a dilation of the original image?

Select each correct answer.

Responses

−2
negative 2

−12
negative 1 half

​12​
​ 1 half ​

​​2

Answer 1

A dilation is a contraction exactly when the scale factor's absolute value is less than 1. So the correct choices are −1/2 and 1/2 (both have |k| = 1/2 < 1).