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1. |
State the slope of the line graphed below. |
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A. |
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B. |
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C. |
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Hint |
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2. |
Write an equation of the line that passes through (10,-4) and is perpendicular to the line whose equation is  |
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B. |
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Hint |
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3. |
State the number of solutions to the system of equations graphed below. |
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A. |
1 |
B. |
infinitely many |
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C. |
0 |
D. |
2 |
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Hint |
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4. |
Solve the system of equations by graphing. 
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A. |
(-1, 7) |
B. |
no solution |
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C. |
(0, 3) |
D. |
infinitely many solutions |
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Hint |
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5. |
Use the substitution method to solve m - n = 7 and 3m + 2n = 6. |
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A. |
(-3, -10) |
B. |
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C. |
(4, -3) |
D. |
(-5, 2) |
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Hint |
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6. |
Solve the system of equations by using the elimination method. 
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A. |
(12, -2) |
B. |
(34, -13) |
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C. |
(2, 3) |
D. |
(4, 2) |
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Hint |
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7. |
Which is not a point at which a maximum or minimum value of a function could occur for the feasible region? |
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A. |
(-3, 6) |
B. |
(-3, 0) |
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C. |
(1, 5) |
D. |
(0, 3) |
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Hint |
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8. |
Josh has 40 minutes to complete a government exam. There are 15 multiple-choice questions worth 3 points each. There are also 5 short-answer questions worth 11 points each. It takes about 2 minutes for Josh to answer the multiple-choice questions m and about 8 minutes to complete the short-answer questions s. Which inequality is not part of the system of inequalities that represents the problem? |
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Hint |
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9. |
Determine which point is a solution to the system of inequalities by graphing.
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A. |
(3, 2) |
B. |
(5, 6) |
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C. |
no solution |
D. |
(0, 7) |
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Hint |
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10. |
Which equation describes the line that contains the points (7, 17) and (15, 33)? |
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A. |
y = 2x + 3 |
B. |
y = -2x + 31 |
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C. |
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D. |
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Hint |
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11. |
A rental car company charges $75 for a 3-day rental and $155 for a 7-day rental. Write an equation to find the amount that the rental car company will charge for any number of days. |
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A. |
y = 80x |
B. |
y = 20x |
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C. |
y = 80x – 165 |
D. |
y = 20x + 15 |
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Hint |
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12. |
Write the slope-intercept form of an equation for the line that passes through (-4, -26) and is parallel to  |
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B. |
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Hint |
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13. |
Write an equation in slope-intercept form for the line that has a slope of 2 and passes through (-4, -6). |
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A. |
y = 2x + 8 |
B. |
y = 2x - 2 |
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C. |
y = 2x + 2 |
D. |
y = 2x - 8 |
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Hint |
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14. |
Solve the system of equations. –2x + 3y = 7
4x – 6y = 8. |
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A. |
no solution |
B. |
y = –22, x = –36.5 |
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C. |
y = –22, x = –31 |
D. |
y = –22, x = 29.5 |
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Hint |
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15. |
Which graph represents the following system:  |
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A. |
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B. |
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D. |
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Hint |
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16. |
Use substitution to solve the system of equations given by y =  and 28x – 32y = -8. |
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A. |
no solution |
B. |
(2, 2) |
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C. |
(1, 1) |
D. |
infinitely many solutions |
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Hint |
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17. |
Solve  by the method of determinants. |
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A. |
(-0.4, -0.2) |
B. |
(-0.2, -0.4) |
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C. |
(-0.2, 0.4) |
D. |
(0.4, 0.2) |
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Hint |
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18. |
Solve  by the method of determinants. |
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A. |
(1, -1, 2) |
B. |
(-1, 1, -2) |
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C. |
(2, -2, 1) |
D. |
(2, -1, -2) |
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Hint |
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