Question

Triangle ABC has vertices A (-2, 2), B (2, 4) and C (3, -1).  What are the coordinates of A' after a dilation by a scale factor of 2.5?​

Answer 1

A’(-5,5)

Explanation:

x’ = 2.5 * -2 = -5

y‘ = 2.5 * 2 = 5