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1. |
Find C + D if C = [14 8 -1] and D = [-10 8 15]. |
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A. |
[4 16 14] |
B. |
[24 16 14] |
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C. |
[4 0 -16] |
D. |
[24 0 -16] |
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Hint |
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2. |
Find 3 |
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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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3. |
Write the translation matrix for and its image |
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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 product is not defined? |
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A. |
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B. |
[16 12 5] |
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C. |
[11 4 -3] |
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D. |
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Hint |
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5. |
What is the reflected image of A about line m? |
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A. |
D |
B. |
C |
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C. |
B |
D. |
A |
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Hint |
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6. |
Which statement is true for the figure below? Assume . |
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A. |
is a translation image of  |
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B. |
is a translation image of  |
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C. |
lines and m are perpendicular |
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D. |
is a translation image of  |
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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. |
3 |
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C. |
9 |
D. |
18 |
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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. |
(6, -3) |
B. |
(-2, 3) |
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C. |
(3, -6) |
D. |
(-1, -2) |
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Hint |
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10. |
Pentagon EFGHI has vertices E(-9, 0), F(-3, 6), G(6, 6), H(6, -6), and I(-3, -6). Graph pentagon EFGHI and its dilated image E´F´G´H´I´ if the scale factor is . |
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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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11. |
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´(5, -3), R´(3, -7), S´(1, -2) |
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B. |
Q´(-3, 5), R´(-7, 3), S´(-2, 1) |
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C. |
Q´(-3, -5), R´(-7, -3), S´(-2, -1) |
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D. |
Q´(-5, -3), R´(-3, -7), S´(-1, -2) |
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Hint |
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12. |
If and find 4A – 5B. |
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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. |
Find the coordinates of the vertices of the image of a triangle FGH with F(-4, 2), G(-3, -3), H(3,4) after it is rotated 270° counterclockwise about the origin. |
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A. |
F'(2, 4), G'(-3, 3),H'(4, -3) |
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B. |
F'(2, -4), G'(-3, -3),H'(4, 3) |
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C. |
F'(4, 2), G'(3, -3),H'(-3, 4) |
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D. |
F'(-2, 4), G'(3, 3),H'(-4, -3) |
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Hint |
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14. |
What is the rule where the angle of rotation is 90° counterclockwise, and the center is (0, 0)? |
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A. |
(x, y) (-x, y) |
B. |
(x, y) (-x, -y) |
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C. |
(x, y) (-y, -x) |
D. |
(x, y) (-y, x) |
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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. |
$1050 |
B. |
$1170 |
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C. |
$990 |
D. |
$710 |
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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. |
$1050 |
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C. |
$990 |
D. |
$1170 |
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Hint |
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