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1. |
Evaluate a - b2 if a = 4 and b = 3. |
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A. |
1 |
B. |
-5 |
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C. |
-13 |
D. |
13 |
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Hint |
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2. |
Simplify 3(2a + b) + 6(a - 2b). |
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A. |
12a - 9b |
B. |
12a + 15b |
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C. |
12a + 9b |
D. |
12a + b |
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Hint |
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3. |
Which statement is true about the graph shown below? |
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A. |
The relation is not a function. |
B. |
The relation is a function. |
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C. |
The range is {-3, -2, 0, 1}. |
D. |
The domain is {-3, 2, 4}. |
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Hint |
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4. |
Which function is not linear? |
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A. |
 |
B. |
f(x) = 2x3 |
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C. |
f(x) = 8 |
D. |
f(x) = 14x + 7 |
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Hint |
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5. |
State the slope and y-intercept of the graph of -y = -0.9x + 4. |
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A. |
m = 0.9, b = -4 |
B. |
m = 4, b = -0.9 |
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C. |
m = -4, b = 0.9 |
D. |
m = -0.9, b = 4 |
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Hint |
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6. |
If f(x) = [2x - 1], find f(5.4). |
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A. |
9 |
B. |
8 |
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C. |
10 |
D. |
9.8 |
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Hint |
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7. |
Choose the graph of 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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8. |
Solve the system of equations by graphing. 
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A. |
(6, 2) |
B. |
(2, -6) |
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C. |
(2, 6) |
D. |
(-6, 2) |
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Hint |
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9. |
Choose the graph that shows the solution to the system of inequalities  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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10. |
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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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. |
If  , find I so that  |
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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. |
Name the property illustrated by the equation 5 ·? (-2 – 7) = 5 ·? -2 – 5 ·? 7. |
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A. |
Inverse Property |
B. |
Commutative Property |
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C. |
Distributive Property |
D. |
Associative Property |
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Hint |
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13. |
Graph the solution set to the inequality 5x – 3 < 3x + 7. |
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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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14. |
Graph the line through (2, 3) that is perpendicular to the line with equation 2x + 5y = 1. |
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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 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. |
$217 |
B. |
$70 |
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C. |
$25 |
D. |
$50 |
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Hint |
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16. |
Solve the system 4y – 6x + 8z = 13, 10y – 15x + 20z = 6, y – 5x + 2z = 5. |
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A. |
no solution |
B. |
infinite solutions |
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C. |
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D. |
(-3, 1, 7) |
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Hint |
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17. |
Which of the following properties does not hold for matrices? |
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A. |
right distributive property |
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B. |
left distributive property |
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C. |
associative property of multiplication |
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D. |
commutative property of multiplication |
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Hint |
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18. |
Evaluate  |
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A. |
–38 |
B. |
–128 |
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C. |
38 |
D. |
128 |
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Hint |
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19. |
Solve the system –2x – 4y = 7, 3x + 5y = 9. |
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A. |
 |
B. |
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C. |
(71, –39) |
D. |
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Hint |
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20. |
In a sport similar to football, there are two ways to score: by the run or by the pass. Team A scored 244 points, while Team B scored 273 points. Team A scored by the pass 21 times, and by the run 11 times. Team B scored by the pass 27 times, and by the run 6 times. How many points is each score worth? |
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A. |
pass = 5 pointsrun = 23 points |
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B. |
pass = 5 pointsrun = 9 points |
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C. |
pass = 7 pointsrun = 14 points |
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D. |
pass = 9 pointsrun = 5 points |
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Hint |
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