Question

If a picture measures 3 inches by 5 inches and it is dilated by a scale factor of 4, the new dimensions will be ________________________________________.

A. 12 inches by 20 inches

B. 15 inches by 15 inches

C. 7 inches by 9 inches

D. 0.75 inches by 1.25 inches

Answer 1

A) 12 inches by 20 inches

Explanation:

Dilation of a scale factor means to increase by a factor of 4.
That basically mean multiply the object by 4.

Therefore 3 inches x 4 = 12 inches

And 5 inches x 4 = 20