Dilations Page 1
Reflections
Instructions
1) Change coordinates for A, B, C to A(-4,2), B(6,-6), C(-2,-8) so that you have a different triangle.
2) Choose from the drop down boxes and dilate from point.
3) Select point, then select the origin.
4) Type 1/2 for the factor.
5) Dilate each point by 1/2.
Question 1
Write the preimage and image points, labeling them correctly.
Question 2
Compare the preimage and image points. What do you notice about both of them?
Question 3
What happened to triangle A'B'C'?
Question 4
Find the algebra rule that will take you from preimage to image (x,y) to (x', y').