1.
A projector focuses an image from the 15-millimeter film onto a screen that is 2.5 meters wide. What is the scale factor?
A.
B.
C.
D.
Hint
2.
In the figure, the green figure is a dilation of the blue figure. Find the scale factor.
A.
B.
2
C.
3
D.
Hint
3.
What is the ordered pair of the dilation of
A
(
,
) if the scale factor is
?
A.
(
,
)
B.
(
,
)
C.
(2,
)
D.
(
,
)
Hint
4.
A projector displays an image from 25-millimeter film onto a screen that is 3.5 meters wide. What is the scale factor?
A.
B.
C.
D.
Hint
5.
A copying machine is set to dilate the picture by a factor of
. If a picture is 4 inches by 7 inches, find the dimensions of a copy made by the machine.
A.
6 inches by 10.5 inches
B.
5.6 inches by 9.8 inches
C.
6.3 inches by 10.4 inches
D.
2.9 inches by 5 inches
Hint