1.
If
AB
= 6, find the measure of the dilation image of
for a dilation with scale factor -3.
A.
18
B.
-6
C.
3
D.
9
Hint
2.
A dilation with center
C
and a scale factor
k
maps
A
onto
D
and
B
onto
E
. If
AB
= 4 and
DE
= 10, find |
k
|.
A.
6
B.
C.
D.
Hint
3.
Refer to the figure below. A dilation with center
C
produced the circle in red. What is the scale factor of the dilation?
A.
1
B.
C.
2
D.
3
Hint
4.
A square is reduced by a scale factor of
. The area of the image is how many times the area of the preimage?
A.
4
B.
C.
2
D.
Hint
5.
Which statement is true about dilations?
A.
Dilations are the combination of two reflections.
B.
Dilations form congruent images.
C.
Dilations form similar images.
D.
Dilations are isometries.
Hint