Question

Dilate the point B(–4, 5) by a scale factor of 3 with the center at the origin.

Identify the coordinates of the pre-image.
    B(–4, 5)
Identify the scale factor.
    Scale factor: n = 3
Multiply the scale factor by each coordinate of the pre-image to find the coordinates of the image.
    B'(3(–4), 3(5))

Answer 1

There are plenty of methods legit example a dilation calclataer which is online ^^