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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. |
translation |
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C. |
addition |
D. |
enlargement |
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Hint |
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2. |
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, 1), B'(-1, -3) |
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B. |
A'(-1, -3), B'(1, 1) |
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C. |
A'(1, -3), B'(1, 1) |
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D. |
A'(-1, 1), B'(1, -3) |
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Hint |
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3. |
What are the coordinates of the vertices of the image of rectangle HJKL with H(4, 1), J(-3, -2), K(2, -6), and L(-4, 5) after a reflection across the x-axis? |
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A. |
H'(-4, 1), J'(3, -2), K'(-2, -6), L>'(4, 5) |
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B. |
H'(-4, –1), J'(-3, -2), K'(-2, -6), L'(-4, -5) |
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C. |
H'(4, –1), J'(-3, 2), K'(2, 6), L'(-4, -5) |
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D. |
H'(-4, –1), J'(3, 2), K'(-2, 6), L'(4, -5) |
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Hint |
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4. |
Which of the following is the correct rotation matrix for a rotation of 180°counterclockwise about the origin? |
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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'(4, 2), G'(3, -3),H'(-3, 4) |
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B. |
F'(-2, 4), G'(3, 3),H'(-4, -3) |
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C. |
F'(2, -4), G'(-3, -3),H'(4, 3) |
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D. |
F'(2, 4), G'(-3, 3),H'(4, -3) |
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Hint |
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