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1. |
Find the value of 5 + 22 - 8 + 3. |
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A. |
-4 |
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B. |
2 |
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C. |
-2 |
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D. |
4 |
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Hint |
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2. |
Graph the solution set of |3y + 9| > 12. |
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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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3. |
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. |
 |
D. |
1 |
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Hint |
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4. |
If f(x) = [2x - 1], find f(5.4). |
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A. |
8 |
B. |
10 |
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C. |
9 |
D. |
9.8 |
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Hint |
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5. |
The system of equations on the graph shown is |
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A. |
inconsistent. |
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B. |
consistent and independent. |
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C. |
consistent. |
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D. |
consistent and dependent. |
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Hint |
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6. |
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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7. |
The solution of a system of three linear equations in three variables, x, y, and z, is called a(n) ____ (x, y, z). |
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A. |
ordered triple |
B. |
integer |
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C. |
sum |
D. |
ordered pair |
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Hint |
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8. |
Find the determinant of  |
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A. |
-16 |
B. |
-11 |
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C. |
-21 |
D. |
0 |
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Hint |
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9. |
Simplify  |
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A. |
 |
B. |
2i |
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C. |
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D. |
 |
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Hint |
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10. |
Evaluate  if a = 2, b = 4, and c = -1. |
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A. |
2.4 |
B. |
1 |
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C. |
-14 |
D. |
7 |
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Hint |
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11. |
Solve the inequality | 5x + 2 |  12. |
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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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12. |
Graph the line passing through the point (2, -5) with a slope of –2. |
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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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13. |
What is the slope of the line with equation  |
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A. |
 |
B. |
-7 |
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C. |
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D. |
7 |
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Hint |
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14. |
What type of function is shown in the graph? |
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A. |
constant function |
B. |
step function |
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C. |
piecewise function |
D. |
absolute value function |
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Hint |
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15. |
Suppose a plant grows one inch every year. If x is how old the plant is (in years), and f (x) is how tall the plant is (in inches), what type of function is f (x)? |
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A. |
constant function |
B. |
absolute value function |
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C. |
step function |
D. |
identity function |
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Hint |
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16. |
The Waxmans just opened a carpet store. Their startup costs were $5000, and their cost of carpet is $8 per square yard. How many square yards of carpet do they need to sell in order to break even if they sell the carpet for $18 per square yard? |
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A. |
500 square yards |
B. |
192 square yards |
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C. |
278 square yards |
D. |
50 square yards |
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Hint |
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17. |
What are the solutions to the system y + 2x – 5z = 4, –2y – 4x + 10z = 8, 3y + x – 3z = 5? |
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A. |
(2, 2, 1) |
B. |
(2, 2, –2) |
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C. |
no solution |
D. |
infinite |
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Hint |
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18. |
Which method of finding solutions would work best to find the solutions to the system 12.4x – 3.66y = 12.19, 3.9x + 6.17y = 19.28, and why? |
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A. |
Cramer's Rule, because there are fewer calculations. |
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B. |
elimination, because 6.17 is a factor of 3.66 |
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C. |
Cramer's Rule, because none of the other methods will correctly solve the problem |
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D. |
elimination, because Cramer's Rule doesn't apply to this problem |
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Hint |
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19. |
Which of the following is prime? |
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A. |
3x2 – 6y |
B. |
3xy + 13x2 |
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C. |
5xy>2 + 10y |
D. |
7x2 – y2 |
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Hint |
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20. |
In the expression q9 = p, what is the cube root of p? |
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A. |
q3 |
B. |
 |
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C. |
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D. |
q6 |
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Hint |
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