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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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Hint |
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2. |
Which equation has a graph perpendicular to the graph 3y = 2x - 9? |
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A. |
y = 2x + 5 |
B. |
3x + 2y = 7 |
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C. |
2x + 3y = 4 |
D. |
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Hint |
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3. |
Use substitution to solve the system of equations given below.
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A. |
(-12, -10) |
B. |
infinitely many solutions |
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C. |
no solution |
D. |
(-10, -12) |
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Hint |
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4. |
Use elimination to solve the system of equations shown below. 2x - 4y = -5 3x + 4y = -15 |
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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. |
Use elimination to solve the system of equations given below. 3x - 2y = 4 2x + y = -2 |
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A. |
(0, -2) |
B. |
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C. |
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D. |
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Hint |
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6. |
Write the slope-intercept form of an equation for the line that passes through (-8, -1) and is parallel to the graph 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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7. |
Solve the system –2x – 4y = 7, 3x + 5y = 9. |
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A. |
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B. |
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C. |
(71, –39) |
D. |
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Hint |
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8. |
Solve the system of equations given by y = 2x + 2 and . |
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A. |
(4, -6) |
B. |
(-3, -4) |
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C. |
no solution |
D. |
infinitely many solutions |
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Hint |
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9. |
Solve the system of equations given by 5x – 2y = -6 and 15x – 6y = 6. |
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A. |
no solution |
B. |
(1, 1) |
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C. |
(-2, -2) |
D. |
infinitely many solutions |
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Hint |
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10. |
Use substitution to solve the system of equations given by x – 4y = 24 and 3x – 4y = 16. |
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A. |
(10, 3.5) |
B. |
(-4, 7) |
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C. |
(10, -3.5) |
D. |
(-4, -7) |
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Hint |
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11. |
Which point is in the solution set of and y > -2x – 1. |
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A. |
(-2, 8) |
B. |
(-2.8, 4.6) |
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C. |
(-6, 5) |
D. |
(0, 3) |
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Hint |
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12. |
Which point is not in the solution set of y < 7x + 6 and y < -7x + 6. |
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A. |
(-1, 6) |
B. |
(2, -15) |
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C. |
(1, -5) |
D. |
(0, 2) |
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Hint |
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13. |
A geometrical representation of a map is called a ______?______. |
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A. |
directed graph |
B. |
coordinate plane |
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C. |
chart |
D. |
pattern |
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Hint |
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14. |
Using the directed graph, how many different routes are there to get from the Boston plant to the Worcester plant in exactly two transfers? |
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A. |
2 |
B. |
1 |
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C. |
3 |
D. |
4 |
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Hint |
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