13
QuizMultiple Select
Dilations — Unit test
Question 13 • SRC 2022 M/J Grade 8 Pre-Algebra Q1
The image of a triangle after it has been dilated with a center of dilation at the origin has vertices at (12, –6), (–24, –12), and . If the pre-image of , point B, has coordinates of (–18, –9) and the pre-image of , point C, has coordinates of (–13.5, 18), which statements are true? Select 3 options.
Answer
A
The coordinates of are (27, 18).
B
The coordinates of are (–18, 24).
C
The scale factor is .
D
The scale factor is .
E
The scale factor is .
F
The coordinates of A are (16, –8).G
The coordinates of A are (9, –4.5).