10
QuizMultiple Choice
Dilations in the Coordinate Plane
Question 10 • SRC 2022 M/J Grade 8 Pre-Algebra Q1
The rectangle is the image after a dilation with the center of dilation at the origin of rectangle ABCD. The pre-image of , point A, has coordinates of (–4, 3.2). What is the scale factor of the dilation and what are the coordinates of point C?
Answer
A
The scale factor is 2.5 and the coordinates of point C are (–2.4, –0.8).B
The scale factor is 0.4 and the coordinates of point C are (–2.4, –0.8).C
The scale factor is 2.5 and the coordinates of point C are (–15, 5).D
The scale factor is 0.4 and the coordinates of point C are (–15, 5).