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1. |
Find the coordinates of the image of the point A(3, 9) for a dilation with the scale factor of  |
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A. |
A'(2, 6) |
B. |
A'(6, 18) |
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C. |
A'(4.5, 13.5) |
D. |
A'(9, 27) |
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Hint |
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2. |
In the figure, the green figure is a dilation of the blue figure. Find the scale factor. |
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A. |
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B. |
3 |
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C. |
2 |
D. |
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Hint |
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3. |
What is the ordered pair of the image of A(-2, 4) if the scale factor is 5? |
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A. |
 (3, 9) |
B. |
(-0.4, 0.8) |
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C. |
(10, 20) |
D. |
(-10, 20) |
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Hint |
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4. |
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. |
6 inches by 10.5 inches |
B. |
5.6 inches by 9.8 inches |
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C. |
2.9 inches by 5 inches |
D. |
6.3 inches by 10.4 inches |
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Hint |
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5. |
A logo is 15 centimeters wide. If the logo is to be dilated by a factor of  , find the width of the logo. |
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A. |
22.35 centimeters |
B. |
26.25 centimeters |
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C. |
28.75 centimeters |
D. |
8.57 centimeters |
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Hint |
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