Triangle ABC has vertices A(5, 3) , B(3, 7) , and C(1, 4) . Triangle ABC is dilated, and the vertices of the image are A′(7.5, 4.5) , B′(4.5, 10.5) , and C' (1.5,6). The center of dilation is the origin. A. 1/2 B.2/3 C3/2 D2
First, we have the following points: A (5, 3) B (3, 7) C (1, 4) We multiply these vertices by a factor k to obtain the new vertices: A '(k * 5, k * 3) = (7.5, 4.5) B '(k * 3, k * 7) = (4.5, 10.5) C '(k * 1, k * 4) = (1.5.6)
