Answer: If the scale factor is 1, then the original image and the image produced are congruent.
Step-by-step explanation:
Image result for Which graph is the image of ABC after a dilation with a scale factor of "-1/3" and the center of dilation at the origin?
Dilation with Scale Factor
If the scale factor is more than 1, then the image stretches. If the scale factor is between 0 and 1, then the image shrinks.
