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2. |
Triangle PQR with vertices P(-8, 9), Q(-3, -1), and R(2, 5) is translated so that P' is at (-12, 0). Find the translation matrix. |
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3. |
Which product is not defined? |
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A. |
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B. |
[16 12 5] |
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C. |
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D. |
 [11 4 -3] |
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4. |
Which figure shows a line that is not a line of symmetry? |
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D. |
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5. |
If AB = 6, find the measure of the dilation image of  for a dilation with scale factor -3. |
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A. |
3 |
B. |
9 |
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C. |
18 |
D. |
-6 |
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6. |
Which letter shown has only one line of symmetry? |
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A. |
O |
B. |
X |
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C. |
P |
D. |
A |
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7. |
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. |
(-1, -2) |
D. |
(6, -3) |
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8. |
If a triangle is translated then the preimage and the image must be _________. |
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congruent |
B. |
perpendicular |
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C. |
similar |
D. |
parallel |
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Hint |
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9. |
A dilation with center C produced quadrilateral RSTV. What is the scale factor? |
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A. |
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B. |
2 |
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C. |
12 |
D. |
9 |
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Hint |
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10. |
Which of the following is true concerning matrix multiplication of three matrices A, B, and C? |
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(A + B)C = CA + CB |
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AB = BA for all cases |
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C. |
C(A + B) = CA + CB |
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D. |
AB = BA for no cases |
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11. |
Suppose  has vertices A(3, 4), B(-2, 1) and C(2, –3). Dilate so that its perimeter is one-fourth the original perimeter. What are the coordinates of the vertices of  |
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12. |
Find  . |
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A. |
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13. |
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) (-y, -x) |
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C. |
(x, y) (-x, -y) |
D. |
(x, y) (-y, x) |
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Hint |
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14. |
Which is the image of the figure shown when it is tuned 270° counter clockwise about the center point P? |
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A. |
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C. |
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D. |
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15. |
An ice cream factory distributes chocolate, strawberry and vanilla cartons to two stores. The table shows the number of cartons distributed. The profit on a carton of chocolate is $1.70, strawberry is $2.30, and vanilla is $2.10. Find the amount of profit for store B. |
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A. |
$1175 |
B. |
$1524 |
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C. |
$1325 |
D. |
$1753 |
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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 A. |
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A. |
$710 |
B. |
$1170 |
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C. |
$990 |
D. |
$1050 |
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Hint |
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