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1. |
Write the translation matrix for  and its image  |
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A. |
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Hint |
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2. |
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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3. |
Which of the following is the correct rotation matrix for a rotation of 180°counterclockwise about the origin? |
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Hint |
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4. |
Find the coordinates of the vertices of the image of a rectangle ABCD with A(4, -3), B(-3, 1), C(-7, -3), and D(5, 2) after a reflection across the line y = x. |
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A. |
A'(-3, 4),B'(1, -3),C'(-3, -7),D'(2, 5) |
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B. |
A'(-3, -4),B'(1, 3),C'(-3, 7),D'(2, -5) |
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C. |
A'(3, 4),B'(-1, -3),C'(3, -7),D'(-2, 5) |
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D. |
A'(-4, -3),B'(3, 1),C'(7, -3),D'(-5, 2) |
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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'(2, -4), G'(-3, -3),H'(4, 3) |
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B. |
F'(4, 2), G'(3, -3),H'(-3, 4) |
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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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