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1. |
For which value of n will a regular n-gon not tessellate the plane. |
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A. |
8 |
B. |
4 |
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C. |
3 |
D. |
6 |
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Hint |
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2. |
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. |
4 |
B. |
2 |
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C. |
3 |
D. |
1 |
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3. |
What is the reflected image of A about line m? |
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A. |
B |
B. |
C |
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C. |
D |
D. |
A |
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Hint |
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4. |
Which figure has a point of symmetry? |
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A. |
 |
B. |
 |
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C. |
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D. |
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Hint |
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5. |
 has vertices A(3, 7), B(-2, 1), and C(4, -1). Suppose the triangle is rotated 180° to form  . What are the coordinates of B'? |
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A. |
(-2, -1) |
B. |
(2, 1) |
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C. |
(2, -1) |
D. |
(1, -2) |
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Hint |
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6. |
Find the direction of vector RS given R(-4,-2) and S(3,7). |
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A. |
59.2° |
B. |
52.1° |
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C. |
60.0° |
D. |
50.8° |
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Hint |
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7. |
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. |
(2, -4) |
B. |
(0, 4) |
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C. |
(0, -4) |
D. |
(-4, -2) |
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Hint |
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8. |
Which is not a true statement about a translation? |
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A. |
The congruence of shapes is preserved in a translation. |
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B. |
The orientation of an image is the same as its preimage. |
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C. |
A translation in the coordinate plane must reflect over the x-axis or y-axis. |
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D. |
A translation is often referred to as a glide. |
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Hint |
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9. |
Triangle QRS with coordinates Q (3, 2), R (-2, 1) and S (1, -3) is rotated 180° on the coordinate plane. What are the coordinates of triangle Q'R'S'? |
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A. |
Q'(-2, -3), R'(-1, 2), S'(-1, 3) |
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B. |
Q'(-3, -2), R'(-2, -1), S'(-1, -3) |
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C. |
Q'(-3, -2), R'(2, -1), S'(-1, 3) |
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D. |
Q'(-2, -3), R'(2, -1), S'(-1, 3) |
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Hint |
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10. |
If KL = 27, find the measure of the dilation image for a scale factor of  . |
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A. |
81 |
B. |
30 |
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C. |
24 |
D. |
9 |
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Hint |
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11. |
A dilation with center C and a scale factor of k maps L to M and P to Q. If LP = 12 and MQ = 10, find |k|. |
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A. |
-2 |
B. |
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C. |
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D. |
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Hint |
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12. |
What is the component form of  for A(23, 21) and B(-18, 1)? |
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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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13. |
Use a matrix to find the coordinates of the endpoints of the image of with A(-6, 6) and B(9, -8) after a reflection in the line y = x. |
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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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