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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. |
1 |
B. |
3 |
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C. |
4 |
D. |
2 |
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Hint |
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2. |
In quadrilateral ABCD,  _____. |
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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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3. |
Quadrilateral PQRS has vertices P(1, 6), Q(5, 2), R(3, -2), and S(-2, 4). If the quadrilateral is translated 2 units right and 4 units down, what are the coordinates of R'? |
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A. |
(3, 2) |
B. |
(1, -6) |
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C. |
(5, -6) |
D. |
(5, 2) |
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Hint |
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4. |
Which statement is true for the figure below? |
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A. |
 is a rotation image of  |
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B. |
 is a translation image of |
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C. |
is a translation image of |
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D. |
is a rotation image of |
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Hint |
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5. |
For which value is a dilation with that scale factor a congruence transformation? |
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A. |
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B. |
2 |
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C. |
0 |
D. |
1 |
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Hint |
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6. |
If AB = 6, find the measure of the dilation image of  for a dilation with scale factor -3. |
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A. |
9 |
B. |
3 |
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C. |
-6 |
D. |
18 |
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Hint |
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7. |
If A(2, 4) is reflected over the x-axis, what are its new coordinates? |
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A. |
(-2, 4) |
B. |
(-2, -4) |
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C. |
(4, 2) |
D. |
(2, -4) |
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Hint |
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8. |
Determine if a semi-regular tessellation can be created from 2 hexagons and 1 square, all having sides of 1 unit long. |
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A. |
No, the angle measures are only 300° |
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B. |
No, the angle measures are only 330° |
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C. |
Yes, the angle measures are 360° |
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D. |
Yes, the angle measures are 180° |
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Hint |
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9. |
Find the magnitude of JK if J is (-2,-4) and K is (3,7) |
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A. |
13 |
B. |
18.2 |
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C. |
12.1 |
D. |
11.2 |
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Hint |
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10. |
If A (-2, -3) is reflected over the y-axis, what are the new coordinates of A' ? |
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A. |
(2, -3) |
B. |
(-2, 3) |
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C. |
(2, 3) |
D. |
(-2, -3) |
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Hint |
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11. |
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. |
(-4, -2) |
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C. |
(2, -4) |
D. |
(0, -4) |
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Hint |
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12. |
If point C (3, -2) is rotated 180° on the coordinate plane, what are the coordinates of C'? |
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A. |
(-3, 2) |
B. |
(-2, -3) |
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C. |
(-3, -2) |
D. |
(2, 3) |
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Hint |
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13. |
The vertex matrix of a triangle is  . Find the vertex matrix of its image after a reflection in 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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14. |
For a reflection in the x-axis, multiply the vertex matrix on the left by _____ . |
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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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