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1. |
Which term describes the tessellation shown? |
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A. |
none of these |
B. |
not uniform |
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C. |
uniform |
D. |
regular |
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Hint |
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2. |
Suppose  and  Which ordered pair represents  ? |
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A. |
(14, 21) |
B. |
(-10, 3) |
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C. |
(-5, 12) |
D. |
(-3, 3) |
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Hint |
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3. |
Which figure has only one line of symmetry? |
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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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4. |
Which translation will translate  with vertices A(-2, 3), B(0, -2), and C(-3, -4) to  with vertices A'(-5, 4), B'(-3, -1), and C'(-6, -3)? |
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A. |
3 units left, 1 unit up |
B. |
3 units right, 1 unit up |
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C. |
3 units left, 1 unit down |
D. |
3 units right, 1 unit down |
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Hint |
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5. |
Two intersecting lines have a rotation angle of 80°. What is the measure of the angle formed by the intersecting lines? |
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A. |
40° |
B. |
180° |
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C. |
80° |
D. |
160° |
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Hint |
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6. |
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. |
Yes, the angle measures are 360° |
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B. |
No, the angle measures are only 300° |
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C. |
No, the angle measures are only 330° |
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D. |
Yes, the angle measures are 180° |
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Hint |
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7. |
If  = (0,4) and  = (-1,6), and  = 2 -3, find . |
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A. |
(3,10) |
B. |
(-3,26) |
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C. |
(3,-10) |
D. |
(0,10) |
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Hint |
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8. |
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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9. |
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. |
(3, -6) |
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C. |
(6, -3) |
D. |
(-1, -2) |
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Hint |
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10. |
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'(-3, -2), R'(2, -1), S'(-1, 3) |
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B. |
Q'(-2, -3), R'(-1, 2), 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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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. |
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B. |
-2 |
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C. |
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D. |
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Hint |
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12. |
A rectangle with length of 4 and width of 5 is enlarged by a scale factor of 3. What is the area of the enlargement? |
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A. |
20 square units |
B. |
60 square units |
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C. |
56 square units |
D. |
180 square units |
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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. |
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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