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1. |
Use Cramer's rule to find the value of x in the system of equations. 

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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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2. |
Which equation has a graph perpendicular to the graph 3y = 2x - 9? |
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A. |
2x + 3y = 4 |
B. |
y = 2x + 5 |
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C. |
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D. |
3x + 2y = 7 |
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Hint |
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3. |
Which pair of lines graphed below are parallel? |
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A. |
l and m |
B. |
l and n |
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C. |
k and m |
D. |
k and n |
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Hint |
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4. |
Which system of equations is graphed below? |
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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. |
Brenda and Amparo left their homes for their morning runs at the same time. Brenda can run a 10-minute mile and Amparo can run a 12-minute mile. Combined, they ran 15 miles in a total of 2 hours and 42 minutes (162 minutes). How many miles did each woman run? |
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A. |
Brenda ran 8 miles; Amparo ran 7 miles |
B. |
Brenda ran 10 miles; Amparo ran 5 miles |
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C. |
Brenda ran 9 miles; Amparo ran 6 miles |
D. |
Brenda ran 11 miles; Amparo ran 4 miles. |
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Hint |
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6. |
Use elimination to solve the system given below. 5x - 2y = 25 5x + 3y = 5 |
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A. |
(4, -5) |
B. |
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C. |
(3, -5) |
D. |
(13, 20) |
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Hint |
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7. |
The sum of two numbers is –11. Twice the first number minus four times the second number is –10. What are the two numbers? |
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A. |
-6, -5 |
B. |
-15, 4 |
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C. |
-9, -2 |
D. |
-8, -3 |
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Hint |
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8. |
Which is the graph of the system of equations? x + y = 4 2x - y = 2 |
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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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9. |
Find the value of the determinant of  |
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A. |
–32 |
B. |
2 |
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C. |
64 |
D. |
6 |
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Hint |
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10. |
Use substitution to solve the system of equations given by y = 2x and 5x + y = 7. |
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A. |
(-2, -5) |
B. |
(-1, -2) |
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C. |
(1, 2) |
D. |
(2, 5) |
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Hint |
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11. |
Use graphing to solve the system of inequalities given by y < x + 1 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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12. |
Which point is in the solution set of and y > -2x – 1. |
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A. |
(-2, 8) |
B. |
(-6, 5) |
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C. |
(-2.8, 4.6) |
D. |
(0, 3) |
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Hint |
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13. |
Using the directed graph, what is the fewest number of transfers possible to get from the Fitchburg plant to the Providence plant? |
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A. |
2 |
B. |
3 |
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C. |
1 |
D. |
0 |
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Hint |
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14. |
How many ways can supplies be transferred directly to Fitchburg from other cities? |
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A. |
2 |
B. |
4 |
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C. |
1 |
D. |
3 |
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Hint |
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