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1. |
Find the solution set for x + 3 > 8 if the replacement set is
{0, 2, 5, 6, 10}. |
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A. |
{6, 10} |
B. |
{0, 2, 5, 6, 10} |
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C. |
{10} |
D. |
{5, 6, 10} |
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Hint |
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2. |
Which statement illustrates the additive identity? |
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A. |
3 × 1 = 3 |
B. |
3 + 0 = 3 |
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C. |
3 - 3 = 0 |
D. |
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Hint |
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3. |
Find the quotient  |
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A. |
 |
B. |
2 |
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C. |
-2 |
D. |
18 |
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Hint |
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4. |
Find the mean of {3, 8, 10, 1, 25}. |
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A. |
8 |
B. |
1 |
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C. |
9.4 |
D. |
9 |
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Hint |
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5. |
Find the difference (-7x4y2 – 3x2y + 2xy2 – 5) – (4x4y2 – xy2 – 5). |
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A. |
-11x4y2 - 3x2y + 3xy2 |
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B. |
-11x4y2 - 3x2y + 3xy2 - 10 |
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C. |
-3x4y2 - 4xy2 + 2xy2 - 10 |
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D. |
-11x4y2 - 3x2y + xy2 - 10 |
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Hint |
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6. |
Which values of x and y are counterexamples to the given statement?
If x – y = an even number, then both x and y are even numbers. |
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A. |
x = 22, y = 20 |
B. |
x = 12, y = 4 |
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C. |
x = 15, y = 8 |
D. |
x = 19, y = 13 |
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Hint |
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7. |
Translate the sentence into a formula. The area of a trapezoid is equal to one-half times the sum of the bases times the height. |
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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 –14n = -112. |
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A. |
n = 1568 |
B. |
n = -1568 |
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C. |
n = -8 |
D. |
n = 8 |
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Hint |
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9. |
Find three consecutive odd integers that have a sum that is 45. |
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A. |
13, 15, 17 |
B. |
14, 15, 16 |
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C. |
11, 13, 15 |
D. |
15, 17, 19 |
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Hint |
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10. |
Solve –13b – 17 – 5b = 2b – 10 –20b – 7. |
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A. |
b = 1 |
B. |
No Solution |
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C. |
b = 0 |
D. |
All Real Numbers |
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Hint |
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11. |
Which scatter plot shows that x and y have a negative correlation? |
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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. |
What is implied when it is said that x and y have no correlation? |
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A. |
When the value of x decreases, the value of y decreases. |
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B. |
When the value of x increases, the value of y does not necessarily increase or decrease. |
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C. |
When the value of x increases, the value of y decreases. |
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D. |
When the value of x increases, the value of y increases. |
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Hint |
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13. |
Solve  |
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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. |
Solve –4 < -5x – 9 < 11. |
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A. |
{x| -1 < x < 1} |
B. |
{x| -1 < x < 4} |
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C. |
{x| -4 < x < -1} |
D. |
{x| -4 < x < 1} |
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Hint |
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15. |
Solve  |
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A. |
{4, 38} |
B. |
{-4, 38} |
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C. |
{-38, -4} |
D. |
{-38, 4} |
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Hint |
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16. |
From the set {(-5, 4), (0, 2), (1, 6), (4, -4)}, which ordered pairs are a part of the solution set for  |
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A. |
{(-5, 4), (0, 2), (1, 6)} |
B. |
{(-5, 4), (1, 6), (4, -4)} |
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C. |
{(0, 2), (4, -4)} |
D. |
{(1, 6), (4, -4)} |
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Hint |
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17. |
Solve the system of equations given by y = 2x + 2 and  . |
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A. |
(-3, -4) |
B. |
(4, -6) |
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C. |
no solution |
D. |
infinitely many solutions |
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Hint |
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18. |
Which of the following expressions is an example of a polynomial with powers of x in ascending order? |
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A. |
x + 2x3 – 2x2 – 5x4 |
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B. |
x + 1 – 6x3 + 2x4 |
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C. |
x + 2x3 + 5x4 |
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D. |
3x + 5x3 – 7x4 – 3 |
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Hint |
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19. |
The length of one side of a square is x + 4. What is the area? |
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A. |
2x + 8 |
B. |
x2 + 4x + 16 |
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C. |
x2 + 8x + 8 |
D. |
x2 + 8x + 16 |
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Hint |
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20. |
Solve  |
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A. |
m = 1 |
B. |
m =  |
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C. |
m = -1 |
D. |
m =  |
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Hint |
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