Question

Please help!!! keep in mind this is a REVIEW question. Which of the following is NOT a congruence transformation? A. a dilation with scale factor 1 B. a reflection across the y-axis C. a translation 5 units down D. a dilation with scale factor 2

Answer 1

Hey there!

A congruence transformation maintains the size of the shape.

Thus, a dilation with scale factor 2 is not a congruence transformation.

Let me know if this helps :)