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1. |
Which type of tranformation results from successive reflections about two intersecting lines? |
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A. |
slide |
B. |
dilation |
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C. |
translation |
D. |
rotation |
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Hint |
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2. |
 has vertices A(3, 7), B(-2, 1), and C(4, -1). Suppose the triangle is rotated 180° to form  . What are the coordinates of B'? |
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A. |
(1, -2) |
B. |
(2, -1) |
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C. |
(-2, -1) |
D. |
(2, 1) |
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Hint |
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3. |
If two lines intersect at an angle of 23°, what is the angle of rotation? |
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A. |
32° |
B. |
67° |
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C. |
16.5° |
D. |
46° |
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Hint |
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4. |
If point C (3, -2) is rotated 180° on the coordinate plane, what are the coordinates of C'? |
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A. |
(2, 3) |
B. |
(-3, -2) |
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C. |
(-2, -3) |
D. |
(-3, 2) |
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Hint |
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5. |
Which is not a true statement about rotations? |
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A. |
A rotation maintains angle measure. |
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B. |
A rotation maintains distance measure. |
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C. |
A rotation maintains collinearity. |
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D. |
A rotation maintains orientation. |
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Hint |
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