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1. |
Name the property illustrated by (3c · 6)2 = 3c(6 · 2). |
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A. |
associative property of addition |
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B. |
commutative property of addition |
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C. |
commutative property of multiplication |
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D. |
associative property of multiplication |
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Hint |
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2. |
What is the value of |-101|? |
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A. |
0 |
B. |
10.1 |
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C. |
-101 |
D. |
101 |
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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 domain is {-3, 2, 4}. |
B. |
The range is {-3, -2, 0, 1}. |
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C. |
The relation is not a function. |
D. |
The relation is a function. |
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Hint |
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4. |
Determine which equation represents a function. |
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A. |
y = -2x + 1 |
B. |
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C. |
x = y2 - 1 |
D. |
x = 4 |
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Hint |
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5. |
The temperature f(x) of water in a lake in degrees Fahrenheit is estimated by the function shown below, where x is the depth in feet of the water. What would be the temperature of water 30 feet below the surface? |
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A. |
111°F |
B. |
33°F |
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C. |
63°F |
D. |
71.25°F |
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Hint |
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6. |
A best-fit line drawn on a scatter plot ________ |
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A. |
must be drawn through the first and last data points. |
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B. |
is a line that goes through every data point. |
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C. |
always has a positive slope. |
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D. |
approximates the linear relationship of data points. |
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Hint |
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7. |
If f(x) = [2x - 1], find f(5.4). |
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A. |
10 |
B. |
8 |
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C. |
9 |
D. |
9.8 |
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Hint |
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8. |
Solve the system of equations by graphing. 
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A. |
(2, -6) |
B. |
(-6, 2) |
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C. |
(6, 2) |
D. |
(2, 6) |
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Hint |
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9. |
A graph of a system of three linear equations in three variables is shown below. How many solutions does the system have? |
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A. |
infinite number |
B. |
2 |
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C. |
0 |
D. |
1 |
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Hint |
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10. |
Evaluate z – (2yz + y) · y if y = -3 and z = 2. |
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A. |
-43 |
B. |
9 |
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C. |
23 |
D. |
47 |
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Hint |
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11. |
Evaluate p · (p + 3q) – r if p = -7, q = 4, and r = -16. |
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A. |
-19 |
B. |
77 |
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C. |
-51 |
D. |
45 |
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Hint |
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12. |
Name the property of equality illustrated by the following statement. If n – 3 = 5 + 4, then n – 3 = 9. |
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A. |
Substitution |
B. |
Reflexive |
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C. |
Transitive |
D. |
Symmetric |
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Hint |
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13. |
Solve the equation | 3a + 2 | - 2 = 4a + 1. |
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A. |
 |
B. |
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C. |
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D. |
-1 |
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Hint |
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14. |
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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15. |
Solve the inequality | 6x + 2 | < 5. |
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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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16. |
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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17. |
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. |
$70 |
B. |
$25 |
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C. |
$50 |
D. |
$217 |
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Hint |
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18. |
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. |
absolute value function |
B. |
identity function |
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C. |
step function |
D. |
constant function |
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Hint |
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19. |
Which of the following systems of equations is not consistent and independent? |
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A. |
–y – 5x = 1 4y + 3x = 8 |
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B. |
7y + x = 9 3y + 9x = 4 |
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C. |
y + 4x = 10 6y + 24x = 60 |
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D. |
2y + 4x = 3 7y + 5x = 18 |
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Hint |
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20. |
Find the coordinates of the vertices of the figure formed by  |
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A. |
(–3, 0), (5, 4 ), (5, 2) |
B. |
(–3, 0), (3, 4), (5, 2) |
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C. |
(–4, 0), (5, 4), (5, 2) |
D. |
(–4, 0), (3, 4), (5, 2) |
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Hint |
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