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1. |
Triangle FGH has vertices F(12, 6), G(8, 1), and H(-4, 4). If the triangle is reduced so that the resulting perimeter is half the original perimeter, what are the coordinates of F'? |
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A. |
(6, 6) |
B. |
(6, 3) |
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C. |
(4, 2) |
D. |
(-2, -2) |
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Hint |
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2. |
Which product is not defined? |
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A. |
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B. |
 [11 4 -3] |
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C. |
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D. |
[16 12 5] |
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Hint |
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3. |
Find the dimensions of A6 × 3 · B3 × 1. |
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A. |
3 × 3 |
B. |
3 × 1 |
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C. |
6 × 1 |
D. |
6 × 3 |
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Hint |
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4. |
Which figure shows a line that is not a 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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5. |
For which value is a dilation with that scale factor a congruence transformation? |
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A. |
0 |
B. |
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C. |
2 |
D. |
1 |
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Hint |
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6. |
The point W (-2, 1) is in quadrilateral WXYZ. If the quadrilateral is translated 3 units down and 2 units to the left, what are the coordinates of W'? |
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A. |
(2, -4) |
B. |
(-4, -2) |
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C. |
(0, -4) |
D. |
(0, 4) |
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Hint |
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7. |
If point C (3, -2) is rotated 180° on the coordinate plane, what are the coordinates of C'? |
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A. |
(2, 3) |
B. |
(-3, -2) |
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C. |
(-3, 2) |
D. |
(-2, -3) |
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Hint |
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8. |
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. |
56 square units |
B. |
20 square units |
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C. |
60 square units |
D. |
180 square units |
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Hint |
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9. |
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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Hint |
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10. |
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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11. |
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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12. |
Suppose the matrix  represents the records of the top four teams in a baseball season. If someone used this matrix to predict the total number of wins and losses by the second place team in the next decade (ten years), how many wins and losses would they predict? |
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A. |
910 wins, 710 losses |
B. |
980 wins, 950 losses |
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C. |
980 wins, 640 losses |
D. |
950 wins, 670 losses |
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Hint |
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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. |
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. |
(2, 5) |
B. |
(-3, 6) |
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C. |
(-2, 5) |
D. |
(3, 6) |
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Hint |
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15. |
Use the parallelogram in the diagram with a translation of 2 up, 4 units to the left, followed by a reflection over the x-axis to find the coordinates of Y''. |
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A. |
(1, -2) |
B. |
(-1, 2) |
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C. |
(-2, -2) |
D. |
(-2, 2) |
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Hint |
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16. |
A farmer raises two crops that are shipped to 3 distributors. The table shows the number of crates shipped to each distributor. The profit on crop 1 is $2.50 per crate. The profit on crop 2 is $2.75 per crate. Find the amount of profit from Distributor C. |
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A. |
$1540 |
B. |
$2112.50 |
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C. |
$1529 |
D. |
$770 |
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Hint |
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