Pre-image: A(−4, 2) , B(4, 4) , and C(−1, 2) Image: A′(−2, 1) , B′(2, 2) , and C′(−12, 1) Is the dilation an expansion or contraction? What is the scale factor?
1 Answer
Nov 10, 2017
Expansion (and rotation). Scale approximately 2 (just under).
Explanation:
The scale can be determined exactly by taking the ratio of the distances between two corresponding points in each image.
