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1. |
Evaluate:  when x = 3, y = 2, and z = 19. |
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A. |
 |
B. |
19 |
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C. |
2 |
D. |
1 |
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Hint |
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2. |
Write an algebraic expression for the verbal expression: three times the sum of x and y increased by five times the product of x and 3y. |
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A. |
3x + y + 5x(3y) |
B. |
3(x + y) + 5(3xy) |
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C. |
3(x + y) + 5(x + 3y) |
D. |
3(xy) + 5(x + 3y) |
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Hint |
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3. |
Solve  |
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A. |
{x | x > 23.68} |
B. |
{x | x > 0.43} |
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C. |
{x | x < 23.68} |
D. |
{x | x < 2.31} |
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Hint |
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4. |
If a die and coin are tossed, what is the probability of rolling an even number on the die and heads on the coin? |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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5. |
Simplify (3a4b5c)4. |
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A. |
7a16b20c4 |
B. |
12a8b9c5 |
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C. |
81a16b20c4 |
D. |
3a16b20c4 |
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Hint |
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6. |
Find (4y - 5)(3y - 7). |
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A. |
12y2 – 13y + 35 |
B. |
12y2 – 43y + 35 |
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C. |
12y2 – 43y - 35 |
D. |
12y2 + 35 |
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Hint |
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7. |
Find  . |
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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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8. |
Evaluate 0.75 + 2.2 + 0.25 + 0.8. |
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A. |
3 |
B. |
6 |
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C. |
5 |
D. |
4 |
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Hint |
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9. |
Which values are a counterexample to the given statement?
If x · y = a decimal, then neither x nor y is a whole number. |
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A. |
x = 7.1, y = 2.2 |
B. |
x = 1.75, y = 0.9 |
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C. |
x = 0.3, y = 0.2 |
D. |
x = 1, y = 0.5 |
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Hint |
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10. |
Write the inverse of the relation
{(-6, 1), (-3, 2), (0, 3), (3, 4), (6, 5)} |
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A. |
{(-1, -6), (-2, -3), (-3, 0), (-4, -3), (-5, -6)} |
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B. |
{(-1, 6), (-2, 3), (-3, 0), (-4, -3), (-5, -6)} |
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C. |
{(6, -1), (3, -2), (0, -3), (-3, -4), -6, -5)} |
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D. |
{(1, -6), (2, -3), (3, 0), (4, 3), (5, 6)} |
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Hint |
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11. |
Find h(-2.5) if h(z) = z² + 3.5z – 2.75. |
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A. |
12.25 |
B. |
-17.75 |
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C. |
-5.25 |
D. |
0.25 |
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Hint |
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12. |
Graph  |
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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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13. |
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 – 165 |
B. |
y = 80x |
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C. |
y = 20x + 15 |
D. |
y = 20x |
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Hint |
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14. |
From the set {(-2, -5), (0, 10), (5, 8), (8, -3)}, which ordered pairs are a part of the solution set for 5x + 5y > 45? |
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A. |
{(-2, -5), (8, -3)} |
B. |
{(0, 10), (5, 8)} |
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C. |
{(-2, -5), (5, 8)} |
D. |
{(0, 10), (8, -3)} |
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Hint |
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15. |
Solve the system of equations given by y = 2x + 2 and  . |
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A. |
(4, -6) |
B. |
infinitely many solutions |
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C. |
no solution |
D. |
(-3, -4) |
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Hint |
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16. |
To ensure healthy food, every tenth item is checked. What kind of sample is this? |
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A. |
unbiased, systematic random sample |
B. |
biased, convenience sample |
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C. |
unbiased, simple random sample |
D. |
unbiased, stratified random sample |
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Hint |
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17. |
A sociology teacher asked her students how many siblings they have. The results of the survey are shown in the table. Find the probability that a randomly chosen student has one sibling. |
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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. |
Consider a right triangle whose height is 12 feet and whose hypotenuse is 15 feet. What is the area of the triangle? |
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A. |
54 feet |
B. |
180 feet |
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C. |
108 feet |
D. |
90 feet |
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Hint |
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19. |
If y varies inversely as x and y = 14 when x = 3, what is x when y = 84? |
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A. |
28 |
B. |
2 |
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C. |
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D. |
6 |
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Hint |
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20. |
A builder wants the kitchen to have an area of x2 – 2x – 24, and a length of x + 4. What is the width? |
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A. |
x – 6 |
B. |
x + 6 |
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C. |
6 |
D. |
– 6 |
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Hint |
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