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1. |
A(n) _____ is a transformation that occurs when a figure is moved from one location to another. |
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A. |
translation |
B. |
addition |
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C. |
dilation |
D. |
enlargement |
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Hint |
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2. |
Write the translation matrix for  and its image  |
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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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3. |
Triangle PQR with vertices P(-8, 9), Q(-3, -1), and R(2, 5) is translated so that P' is at (-12, 0). Find the translation matrix. |
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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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4. |
Suppose  has vertices A(3, 4), B(-2, 1) and C(2, –3). Dilate so that its perimeter is one-fourth the original perimeter. What are the coordinates of the vertices of  |
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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. |
What are the coordinates of the vertices of the image of rectangle HJKL with H(4, 1), J(-3, -2), K(2, -6), and L(-4, 5) after a reflection across the x-axis? |
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A. |
H'(-4, –1), J'(-3, -2), K'(-2, -6), L'(-4, -5) |
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B. |
H'(-4, –1), J'(3, 2), K'(-2, 6), L'(4, -5) |
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C. |
H'(-4, 1), J'(3, -2), K'(-2, -6), L>'(4, 5) |
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D. |
H'(4, –1), J'(-3, 2), K'(2, 6), L'(-4, -5) |
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Hint |
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