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1. |
Find  |
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A. |
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B. |
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Hint |
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2. |
Find A - B if and  |
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A. |
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B. |
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C. |
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D. |
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3. |
What is the reflected image of A about line m? |
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A. |
B |
B. |
A |
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C. |
D |
D. |
C |
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Hint |
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4. |
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. |
9 |
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C. |
18 |
D. |
3 |
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Hint |
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5. |
A square is reduced by a scale factor of . The area of the image is how many times the area of the preimage? |
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A. |
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B. |
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C. |
2 |
D. |
4 |
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Hint |
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6. |
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. |
(-2, 4) |
D. |
(4, 2) |
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Hint |
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7. |
If a triangle is translated then the preimage and the image must be _________. |
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A. |
parallel |
B. |
perpendicular |
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C. |
similar |
D. |
congruent |
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Hint |
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8. |
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'(2, -1), 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'(-1, 2), S'(-1, 3) |
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Hint |
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9. |
Triangle QRS has vertices Q(5, 3), R(3, 7), and S(1, 2). Find the coordinates of the image of triangle QRS after it is rotated 90° counterclockwise about the origin. |
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A. |
Q´(-3, -5), R´(-7, -3), S´(-2, -1) |
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B. |
Q´(5, -3), R´(3, -7), S´(1, -2) |
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C. |
Q´(-5, -3), R´(-3, -7), S´(-1, -2) |
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D. |
Q´(-3, 5), R´(-7, 3), S´(-2, 1) |
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Hint |
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10. |
If and find 3A + 2B. |
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B. |
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D. |
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Hint |
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11. |
Given that and use the fact that to find AB + AC. |
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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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12. |
What translation matrix should be used to translate a figure with five vertices up 3 units and right 2 units? |
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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. |
Which of the following is the correct rotation matrix for a rotation of 180°counterclockwise about 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 the triangle in the diagram with a translation of 6 down, 3 units to the right, followed by a reflection over the x-axis to find the coordinates of Y''. |
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A. |
(3, 6) |
B. |
(-2, 5) |
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C. |
(2, 5) |
D. |
(-3, 6) |
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Hint |
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15. |
The table shows how many pieces of furniture four stores receive. The profit on a couch is $150, a lamp is $20, a side table is $80 and a chair is $90. Find the profit for Store A. |
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A. |
$1170 |
B. |
$1050 |
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C. |
$710 |
D. |
$990 |
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Hint |
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16. |
The table shows how many pieces of furniture four stores receive. The profit on a couch is $150, a lamp is $20, a side table is $80 and a chair is $90. Find the profit for Store C. |
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A. |
$710 |
B. |
$990 |
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C. |
$1170 |
D. |
$1050 |
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Hint |
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