3
QuizMultiple Choice
Dilations in the Coordinate Plane
Question 3 • Common Core Math 8 - MA3108 B-IC
Segment AB is being dilated with the center at the origin. The image of A, point , has coordinates of (3.2, 6.4). What is the scale factor of the dilation and the coordinates of point ?
Answer
A
The scale factor is 0.8 and the coordinates of point are (–3.2, –4.8).
B
The scale factor is 1.25 and the coordinates of point are (–3.2, –4.8).
C
The scale factor is 0.8 and the coordinates of point are (–5, –7.5).
D
The scale factor is 1.25 and the coordinates of point are (–5, –7.5).