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1. |
Graph  with vertices A(1, 2), B(4, 1), C(5, 3). Graph the image of with a scale factor of 2. |
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A. |
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B. |
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C. |
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D. |
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Hint |
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2. |
A projector focuses an image from the 15-millimeter film onto a screen that is 2.5 meters wide. What is the scale factor? |
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A. |
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B. |
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C. |
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D. |
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3. |
The process of enlarging or reducing an image is called a(n) |
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A. |
image |
B. |
illusion |
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C. |
scale factor |
D. |
dilation |
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Hint |
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4. |
What is the ordered pair of the image of A(3, 2) if the scale factor is 2.25? |
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A. |
 (0.75, -0.25) |
B. |
(1. , 0. ) |
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C. |
(6.75, 4.5) |
D. |
(5.25, 4.25) |
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Hint |
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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. |
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A. |
2.9 inches by 5 inches |
B. |
6.3 inches by 10.4 inches |
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C. |
6 inches by 10.5 inches |
D. |
5.6 inches by 9.8 inches |
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Hint |
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