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1. |
Which term describes the tessellation shown? |
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A. |
regular |
B. |
none of these |
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C. |
not uniform |
D. |
uniform |
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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. |
1 |
B. |
2 |
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C. |
3 |
D. |
4 |
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Hint |
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3. |
Find the magnitude of  to the nearest tenth. |
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A. |
5.4 units |
B. |
21.0 units |
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C. |
4.6 units |
D. |
29.0 units |
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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. |
 |
D. |
 |
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Hint |
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5. |
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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6. |
For which value is a dilation with that scale factor a congruence transformation? |
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A. |
2 |
B. |
1 |
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C. |
0 |
D. |
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Hint |
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7. |
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. |
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B. |
3 |
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C. |
1 |
D. |
2 |
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Hint |
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8. |
Find the direction of vector RS given R(-4,-2) and S(3,7). |
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A. |
50.8° |
B. |
59.2° |
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C. |
60.0° |
D. |
52.1° |
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Hint |
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9. |
Which figure does not have 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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10. |
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. |
(-1, -2) |
B. |
(6, -3) |
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C. |
(3, -6) |
D. |
(-2, 3) |
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Hint |
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11. |
If a triangle is translated then the preimage and the image must be _________. |
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A. |
congruent |
B. |
similar |
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C. |
perpendicular |
D. |
parallel |
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Hint |
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12. |
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'(-2, -3), 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'(-3, -2), R'(2, -1), S'(-1, 3) |
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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. |
 |
B. |
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C. |
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D. |
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Hint |
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