The diagram shows a dilation with scale factor 2. Point P is the center of dilation, line l is the pre-image, and line m is the image.

Move P to explore how the location of P affects the dilation.

✓ 1. When P is not on line l, the image and pre-image are parallel not parallel .

✓ 2. When P is on line l, the image and pre-image are different the same .