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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. |
dilation |
B. |
enlargement |
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C. |
translation |
D. |
addition |
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Hint |
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2. |
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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3. |
The product  gives the coordinates of two points on line AB that has been rotated 90° counterclockwise about the origin. Name the coordinates of A' and B'. |
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A. |
A'(1, -3), B'(1, 1) |
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B. |
A'(-1, 1), B'(1, -3) |
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C. |
A'(1, 1), B'(-1, -3) |
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D. |
A'(-1, -3), B'(1, 1) |
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Hint |
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4. |
What translation matrix should be used to translate a figure with five vertices up 3 units and right 2 units? |
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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. |
Find the coordinates of the vertices of the image of a triangle FGH with F(-4, 2), G(-3, -3), H(3,4) after it is rotated 270° counterclockwise about the origin. |
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A. |
F'(-2, 4), G'(3, 3),H'(-4, -3) |
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B. |
F'(2, -4), G'(-3, -3),H'(4, 3) |
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C. |
F'(4, 2), G'(3, -3),H'(-3, 4) |
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D. |
F'(2, 4), G'(-3, 3),H'(4, -3) |
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Hint |
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