Question

A three inch line segment is dilated by a scale factor of 6 and centered at its midpoint. What is the lenght of its image?

Answer 1

The correct answer for this question is this one: "D. 18 inches"

In order to solve this question, you just multiple the 3-inch line by the scale factor, which is 6.

There exists the same question from other source that has the following choices:
A. 3 inches
B. 6 inches
C. 9 inches
D. 18 inches