1.
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.
6
C.
D.
Hint
2.
Refer to the figure below. A dilation with center
C
produced the circle in red. What is the scale factor of the dilation?
A.
B.
1
C.
3
D.
2
Hint
3.
If
KL
= 27, find the measure of the dilation image for a scale factor of
.
A.
30
B.
9
C.
81
D.
24
Hint
4.
A dilation with center
C
produced quadrilateral
RSTV
. What is the scale factor?
A.
12
B.
2
C.
9
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.
180 square units
C.
56 square units
D.
60 square units
Hint