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1. |
Refer to the figure below. A dilation with center C produced the circle in red. What is the scale factor of the dilation? |
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A. |
2 |
B. |
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C. |
3 |
D. |
1 |
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2. |
What are the coordinates of A´ if trapezoid ABCD is reflected over the x-axis? |
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A. |
A'(7, 5) |
B. |
A'(-7, -5) |
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C. |
A'(7, -5) |
D. |
A'(-7, 5) |
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3. |
Graph triangle XYZ, with vertices X(-3, -1), Y(-1, -5), and Z(-5, -5), and its image when reflected over the y-axis. |
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A. |
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B. |
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C. |
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D. |
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4. |
Square ABCD is shown in the figure. Find the coordinates of the vertices of the image if the square is translated 2 units to the right and 3 units up. |
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A. |
A´(-1, 4), B´(3, 4), C´(3, 0), D´(-1, 0) |
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B. |
A´(-1, 1), B´(3, 1), C´(3, -3), D´(-1, -3) |
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C. |
A'(-2, 3), B'(6, 3), C'(6, -9), D'(-2, -9) |
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D. |
A´(0, 3), B´(4, 3), C´(4, -1), D´(0, -1) |
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Hint |
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5. |
The point A (-2, -4) is under a rule of (x, y) (x - 4, y - 2). What are the coordinates of A' ? |
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A. |
(-6, 2) |
B. |
(0, 2) |
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C. |
(4, -4) |
D. |
(2, -6) |
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6. |
What is the rule where the angle of rotation is 90° counterclockwise, and the center is (0, 0)? |
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A. |
(x, y) (-y, x) |
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B. |
(x, y) (-y, -x) |
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C. |
(x, y) (-x, -y) |
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D. |
(x, y) (-x, y) |
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Hint |
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7. |
Which is the image of the figure shown when it is tuned 270° counter clockwise about the center point P? |
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A. |
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B. |
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C. |
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D. |
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8. |
What is the order of rotational symmetry for the figure shown? |
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A. |
0 |
B. |
2 |
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C. |
4 |
D. |
1 |
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9. |
If a figure has a point about which it is rotated so that it fits exactly over its original position more than once during a complete turn it is said to have ______?_________. |
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A. |
rotational symmetry |
B. |
line reflection |
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C. |
line symmetry |
D. |
translations |
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Hint |
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10. |
Which transformation does not give you an image equal to the preimage? |
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A. |
rotation |
B. |
translation |
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C. |
reflection |
D. |
dilation |
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11. |
Which figure could not make a tessellation? |
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A. |
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B. |
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C. |
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D. |
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12. |
Which figure could not make a tessellation? |
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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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