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1. |
Quadrilateral ABCD is rotated 90° clockwise about the origin. What are the coordinates of the vertex A? |
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A. |
(-3, 1) |
B. |
(3, 1) |
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C. |
(3, -1) |
D. |
(-3, -1) |
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Hint |
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2. |
What are the coordinates of B' after a counterclockwise rotation about the origin of 180°? |
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A. |
(-1, 3) |
B. |
(-1, -3) |
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C. |
(-3, 1) |
D. |
(-3, -1) |
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Hint |
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3. |
If quadrilateral ABCD is rotated 180° counterclockwise, what are the coordinates of D'? |
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A. |
(2, 0) |
B. |
(0, -2) |
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C. |
(0, 2) |
D. |
(-2, 0) |
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Hint |
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4. |
The vertices of  are R(-2, 5), S(4, 2), and T(1, -1). Find the vertices after is rotated 90° counterclockwise about the origin. |
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A. |
R'(5, 2), S'(2, -4), T'(-1, -1) |
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B. |
R'(2, -5), S'(-4, -2), T'(-1, 1) |
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C. |
R'(-2, -5), S'(4, -2), T'(1, 1) |
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D. |
R'(-5, -2), S'(-2, 4), T'(1, 1) |
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Hint |
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5. |
The transformation of  is a_________. |
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A. |
reflection across the
x-axis |
B. |
translation of (-6, -2) |
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C. |
180° counterclockwise rotation about the origin |
D. |
90° clockwise rotation about the origin |
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Hint |
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