1.
If
AB
= 6, find the measure of the dilation image of
for a dilation with scale factor -3.
A.
9
B.
3
C.
-6
D.
18
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.
B.
C.
D.
6
Hint
3.
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
4.
A dilation with center
C
and a scale factor of k maps L to
M
and
P
to
Q
. If
LP
= 12 and
MQ
= 10, find |
k
|.
A.
B.
C.
D.
-2
Hint
5.
Which statement is true about dilations?
A.
Dilations form similar images.
B.
Dilations are the combination of two reflections.
C.
Dilations are isometries.
D.
Dilations form congruent images.
Hint