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1. |
Find C + D if C = [14 8 -1] and D = [-10 8 15]. |
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A. |
[24 16 14] |
B. |
[4 0 -16] |
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C. |
[24 0 -16] |
D. |
[4 16 14] |
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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. |
Find the dimensions of A6 × 3 · B3 × 1. |
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A. |
3 × 1 |
B. |
6 × 3 |
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C. |
6 × 1 |
D. |
3 × 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. |
 |
B. |
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C. |
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D. |
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Hint |
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5. |
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. |
(-4, -2) |
B. |
(0, -4) |
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C. |
(2, -4) |
D. |
(0, 4) |
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Hint |
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6. |
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. |
(-1, -2) |
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C. |
(3, -6) |
D. |
(-2, 3) |
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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. |
perpendicular |
B. |
similar |
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C. |
parallel |
D. |
congruent |
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Hint |
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8. |
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. |
(-2, -3) |
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C. |
(-3, -2) |
D. |
(-3, 2) |
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Hint |
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9. |
If KL = 27, find the measure of the dilation image for a scale factor of  . |
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A. |
9 |
B. |
24 |
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C. |
30 |
D. |
81 |
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Hint |
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10. |
A triangle has vertices M(-3, 6), N(-3, 3), and O(0, 3). Find the coordinates of the dilated triangle M´N´O´ if the scale factor is . |
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A. |
M´(1, -2), N´(1, -1), O´(0, -1) |
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B. |
M´(-9, 18), N´(-9, 9), O´(0, 9) |
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C. |
M´(-1, 6), N´(-1, 3), O´(0, 3) |
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D. |
M´(-1, 2), N´(-1, 1), O´(0, 1) |
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Hint |
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11. |
State whether the product of A3 × 4 and B3 × 4 is defined, and if it is defined, state the dimensions. |
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A. |
undefined |
B. |
defined, 9 × 16 |
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C. |
defined, 4 × 3 |
D. |
defined, 3 × 4 |
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Hint |
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12. |
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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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. |
Which is the image of the figure shown when it is tuned 90° counter clockwise about the center point P? |
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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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15. |
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. |
$2112.50 |
B. |
$770 |
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C. |
$1529 |
D. |
$1540 |
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Hint |
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16. |
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. |
$1325 |
B. |
$1175 |
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C. |
$1524 |
D. |
$1753 |
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Hint |
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