Question

In a dilation, the ratio of the length of a side on the image to the length of its corresponding side on the pre-image is called the __________ __________.

Question 7 options:

center of dilation


expansion or contraction


mapping rule


scale factor

Answer 1

@MrNood

Answer 2

@OfficialBluemonster

Answer 3

@mhchen

Answer 4

Well - this is a fundamental point of understanding of dilation.

There is no real way to explain without giving the answer.

When you dilate something ALL the linear dimensions increase by the same proportion.

Answer 5

refer to this, and try to get the meaning of what a dilation involves...
https://www.google.co.uk/#q=dilation+meaning+math