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1. |
Identify the transformation. |
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A. |
Translation |
B. |
Dilation |
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C. |
Rotation |
D. |
Reflection |
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Hint |
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2. |
Parallelogram WXYZ has vertices W(2, -2), X(6, -2), Y(3, -5), and Z(-1, -5). Find the coordinates of the vertices of the image if the parallelogram is translated 4 units to the left and 7 units up. |
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A. |
W´(-2, -9), X´(2, -9), Y´(-1, -12), Z´(-5, -12) |
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B. |
W´(-2, 5), X´(2, 5), Y´(-1, 2), Z´(-5, 2) |
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C. |
W´(6, 5), X´(10, 5), Y´(7, 2), Z´(3, 2) |
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D. |
W´(6, -9), X´(10, -9), Y´(7, -12), Z´(3, -12) |
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Hint |
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3. |
A triangle has vertices M(-3, 6), N(-3, 3), and O(0, 3). Find the coordinates of the dilated triangle M´N´O´ if the scale factor is . |
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A. |
M´(-1, 2), N´(-1, 1), O´(0, 1) |
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B. |
M´(-9, 18), N´(-9, 9), O´(0, 9) |
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C. |
M´(1, -2), N´(1, -1), O´(0, -1) |
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D. |
M´(-1, 6), N´(-1, 3), O´(0, 3) |
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Hint |
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4. |
Triangle QRS has vertices Q(5, 3), R(3, 7), and S(1, 2). Find the coordinates of the image of triangle QRS after it is rotated 90° counterclockwise about the origin. |
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A. |
Q´(5, -3), R´(3, -7), S´(1, -2) |
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B. |
Q´(-3, 5), R´(-7, 3), S´(-2, 1) |
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C. |
Q´(-3, -5), R´(-7, -3), S´(-2, -1) |
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D. |
Q´(-5, -3), R´(-3, -7), S´(-1, -2) |
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Hint |
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5. |
Triangle DEF has vertices D(-6, -1), E(-4, -8), and F(-2, -5). Find the coordinates of the image of triangle DEF after it is rotated 180° about the origin. |
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A. |
D´(1, -6), E´(8, -4), F´(5, -2) |
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B. |
D´(-1, -6), E´(-8, -4), F´(-5, -2) |
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C. |
D´(1, 6), E´(8, 4), F´(5, 2) |
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D. |
D´(6, 1), E´(4, 8), F´(2, 5) |
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Hint |
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