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1. |
Rotate P(2, -9) 90° counterclockwise about the origin and identify P'. |
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A. |
(2, -9) |
B. |
(-2, 9) |
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C. |
(9, 2) |
D. |
(-9, 2) |
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Hint |
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2. |
State the quadrant in which a triangle will lie if it is in the fourth quadrant and is rotated 180° about the origin. |
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A. |
I |
B. |
IV |
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C. |
III |
D. |
II |
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Hint |
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3. |
The point P(-5, -10) is rotated 90° counterclockwise about the origin. What are the coordinates of P'? |
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A. |
(10, -5) |
B. |
(5, -10) |
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C. |
(10, 5) |
D. |
(-5, 10) |
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Hint |
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4. |
Triangle XYZ has vertices X(5, -2), Y(8, -2) and Z(8, -5). What has occurred to produce X'(-5, 2), Y'(-8, 2) and Z'(-8, 5)? |
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A. |
90? counterclockwise rotation about the origin |
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B. |
Reflection about the x-axis |
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C. |
Reflection about the y-axis. |
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D. |
180? rotation about the origin |
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Hint |
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5. |
Point A(-6, 3) is rotated 180° about the origin. Give the ordered pair for A'. |
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A. |
(6, 3) |
B. |
(-6, -3) |
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C. |
(-3, -6) |
D. |
(6, -3) |
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Hint |
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