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1. |
Refer to the figure below. A dilation with center C produced the circle in red. What is the scale factor of the dilation? |
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A. |
3 |
B. |
2 |
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C. |
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D. |
1 |
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Hint |
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2. |
A square is reduced by a scale factor of  . The area of the image is how many times the area of the preimage? |
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A. |
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B. |
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C. |
2 |
D. |
4 |
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Hint |
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3. |
Describe the transformation that occurred in the mapping below. |
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A. |
rotation |
B. |
reflection |
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C. |
dilation |
D. |
translation |
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Hint |
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4. |
Pentagon EFGHI has vertices E(-9, 0), F(-3, 6), G(6, 6), H(6, -6), and I(-3, -6). Graph pentagon EFGHI and its dilated image E´F´G´H´I´ if the scale factor is  . |
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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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5. |
A triangle has vertices A(4, -5), B(3,-4) and C (-7, 12). Find the coordinates of the dilation of the triangle with a scale factor of and a center of dilation at the origin. |
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Hint |
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