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1. |
Suppose that, in a tessellation by regular hexagons and equilateral triangles, two hexagons meet at a vertex. How many of the triangles must meet at that vertex? |
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A. |
3 |
B. |
4 |
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C. |
1 |
D. |
2 |
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Hint |
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2. |
Triangle ABC has vertices A(4, 2), B(2, -1), and C(5, -2). The triangle is translated by reflecting it about the graph of x = 2. What are the coordinates of A'? |
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A. |
(0, 2) |
B. |
(1, -2) |
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C. |
(-2, -1) |
D. |
(8, 2) |
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Hint |
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3. |
Which letter shown has only one line of symmetry? |
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A. |
A |
B. |
O |
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C. |
X |
D. |
P |
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Hint |
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4. |
If C (-2, 3) is reflected over the line y = x, what are its new coordinates? |
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A. |
(3, -2) |
B. |
(2, -1) |
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C. |
(3, 2) |
D. |
(2, -3) |
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Hint |
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5. |
The point W (-2, 1) is in quadrilateral WXYZ. If the quadrilateral is translated 3 units down and 2 units to the left, what are the coordinates of W'? |
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A. |
(0, 4) |
B. |
(0, -4) |
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C. |
(2, -4) |
D. |
(-4, -2) |
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Hint |
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6. |
Pentagon EFGHI has vertices E(-9, 0), F(-3, 6), G(6, 6), H(6, -6), and I(-3, -6). Graph pentagon EFGHI and its dilated image E´F´G´H´I´ if the scale factor is . |
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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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7. |
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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Hint |
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8. |
Which is the image of the figure shown when it is turned 180° 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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Hint |
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9. |
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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Hint |
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10. |
What is the order of rotational symmetry for the figure shown? |
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A. |
4 |
B. |
1 |
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C. |
0 |
D. |
2 |
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Hint |
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11. |
A triangle has vertices A(3, -6), B(-4, 5) and C(-8, -3). Find the coordinates of the dilation of the triangle with a scale factor of and a center of dilation at 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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12. |
What is another name for tessellation? |
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A. |
tilings |
B. |
shapes |
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C. |
figures |
D. |
triangles |
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Hint |
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