1.
If
AB
= 6, find the measure of the dilation image of
for a dilation with scale factor -3.
A.
3
B.
9
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.
Refer to the figure below. A dilation with center
C
produced the circle in red. What is the scale factor of the dilation?
A.
3
B.
C.
2
D.
1
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.
B.
4
C.
2
D.
Hint
5.
A rectangle with length of 4 and width of 5 is enlarged by a scale factor of 3. What is the area of the enlargement?
A.
20 square units
B.
56 square units
C.
180 square units
D.
60 square units
Hint