Under a dilation, triangle XYZ where X(4, 7), Y(-3, 8), and Z(-2, -1) becomes triangle X’Y’Z’ where X’(4/3, 7/3), Y’(-1, 8/3), and Z’(-2/3, -1/3). What is the scale factor for this dilation?
A. 1/2
B. -1/3
C. -3
D. 3

Respuesta :

so you take X (4\3,7\3) and then you take Z (-2\3,-1,3)