Question

The vertices of a polygon are given as follows:

A(-1,2), B(3,1), C(1,-4); k = 2

Find the coordinates of the vertex A' of the image after a dilation having the given scale factor. Type your answers as a coordinate pair in this format: (x,y)

Answer 1

A' = A(-1 * 2, 2 * 2)
you just multiply both x and y by the scale factor