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1. |
Determine the slope of the line that passes through the points at
(1, 5) and (-4, 0). |
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A. |
-1 |
B. |
0 |
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C. |
1 |
D. |
 |
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Hint |
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2. |
Solve the system of equations by graphing. 
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A. |
no solution |
B. |
(0, 3) |
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C. |
infinitely many solutions |
D. |
(-1, 7) |
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Hint |
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3. |
The system of equations on the graph shown is |
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A. |
consistent. |
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B. |
consistent and independent. |
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C. |
consistent and dependent. |
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D. |
inconsistent. |
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Hint |
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4. |
Solve the system of equations by using substitution. 
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A. |
(1, 3) |
B. |
(4, 9) |
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C. |
(5, 11) |
D. |
(3, 7) |
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Hint |
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5. |
Use the elimination method to solve the system of equations. 
|
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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6. |
Solve the system of inequalities by graphing. 
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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7. |
A feasible region has vertices at (4, 6), (-2, 3), (2, -2), and (3, 1). At which point is the maximum value of the function f(x, y) = 2x + y? |
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A. |
f(2, -2) |
B. |
f(-2, 3) |
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C. |
f(3, 1) |
D. |
f(4, 6) |
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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. The system of inequalities that represents this problem is graphed below. Which ordered pair is not a vertex of the feasible region? |
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A. |
(0, 0) |
B. |
(20, 0) |
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C. |
(0, 5) |
D. |
(15, 0) |
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Hint |
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9. |
Students from the local high school are selling tickets to the town's annual carnival. Adult admission is $5.00 and child admission is $2.50. Two hours after the carnival opened its first day, 440 tickets had been sold totaling $1900. How many adults and how many children entered the carnival during the first two hours it was open? |
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A. |
220 adults, 220 children |
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B. |
380 adults, 760 children |
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C. |
293 adults, 147 children |
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D. |
320 adults, 120 children |
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Hint |
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10. |
Which graph is the graph of the system of inequalities?
y > 2x
 |
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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. |
Which equation describes the line that contains the points (7, 17) and (15, 33)? |
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A. |
y = -2x + 31 |
B. |
 |
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C. |
y = 2x + 3 |
D. |
 |
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Hint |
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12. |
Write the slope-intercept form of an equation for a line perpendicular to the graph of y = -3x + 5 and passes through the x-intercept of that line. |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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13. |
Graph the line through (2, 3) that is perpendicular to the line with equation 2x + 5y = 1. |
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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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14. |
What is the slope of the line with equation  |
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A. |
 |
B. |
 |
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C. |
-7 |
D. |
7 |
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Hint |
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15. |
A phone company charges for service as follows: they charge a certain amount for a visit, and then they charge a certain amount per hour after that. If a three-hour service visit costs $220, and a job that takes an hour and a half costs $145, how much is the cost of a visit before the amount of time spent is factored in? |
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A. |
$50 |
B. |
$25 |
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C. |
$70 |
D. |
$217 |
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Hint |
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16. |
Solve the system of equations 3x – 5y = 4
–2x + 4y = 3. |
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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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17. |
Solve  by the method of determinants. |
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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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18. |
Which of the following cannot be true concerning solving a system of equations by determinants? |
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A. |
 |
B. |
 |
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C. |
ed - bf = 0 |
D. |
 |
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Hint |
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