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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. |
2 |
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C. |
4 |
D. |
1 |
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Hint |
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2. |
Which term describes the tessellation below? |
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A. |
semi-regular |
B. |
uniform |
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C. |
none of these |
D. |
not uniform |
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Hint |
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3. |
Find the direction of  to the nearest degree for A(2, -1) and B(-3, 3). |
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A. |
321° |
B. |
39° |
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C. |
219° |
D. |
141° |
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Hint |
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4. |
Two lines intersect at an angle of 62°. What is the angle of rotation? |
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A. |
124° |
B. |
62° |
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C. |
248° |
D. |
31° |
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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. |
For which value is a dilation with that scale factor a congruence transformation? |
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A. |
1 |
B. |
0 |
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C. |
 |
D. |
2 |
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Hint |
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7. |
If AB = 6, find the measure of the dilation image of  for a dilation with scale factor -3. |
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A. |
-6 |
B. |
18 |
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C. |
3 |
D. |
9 |
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Hint |
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8. |
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. |
11.2 |
D. |
12.1 |
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Hint |
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9. |
Which letter shown has only one line of symmetry? |
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A. |
X |
B. |
A |
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C. |
O |
D. |
P |
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Hint |
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10. |
If C (-2, 3) is reflected over the line y = x, what are its new coordinates? |
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A. |
(2, -3) |
B. |
(3, -2) |
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C. |
(3, 2) |
D. |
(2, -1) |
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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. |
(2, -4) |
B. |
(-4, -2) |
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C. |
(0, -4) |
D. |
(0, 4) |
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Hint |
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12. |
Find the coordinates of A (3, -2) after it has been translated by reflecting it over the graph of y = 1 and then y = -1. |
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A. |
(-2, 3) |
B. |
(-1, -2) |
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C. |
(3, -6) |
D. |
(6, -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. |
 |
B. |
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C. |
 |
D. |
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Hint |
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14. |
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. |
 |
B. |
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C. |
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D. |
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Hint |
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