Dilations in the coordinate grid (8th grade math)

If the center of the dilation is the origin, then it is easy to calculate the coordinates of the figure after the dilation: just multiply the coordinates by the scale factor. I also show an example where the center of the dilation is one of the vertices of a triangle. Lastly, I present a question about the scale factor and the center of a certain dilation.

Math Mammoth Grade 8 curriculum:

Practice geometric transformations online: