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1. |
Find the difference -3.35 - 6.21. |
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A. |
2.86 |
B. |
9.56 |
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C. |
-2.86 |
D. |
-9.56 |
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Hint |
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2. |
The sum of a number and -16 is 25. Find the number. |
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A. |
-9 |
B. |
9 |
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C. |
41 |
D. |
 |
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Hint |
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3. |
Use the distributive property to rewrite  without parentheses. |
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A. |
24x - 3 |
B. |
24x - 24 |
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C. |
24x - 4 |
D. |
 |
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Hint |
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4. |
What is the final price of a $152 item after 6% tax is added? |
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A. |
$161.12 |
B. |
$9.12 |
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C. |
$243.20 |
D. |
$142.88 |
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Hint |
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5. |
If y varies directly as x and y = 21 when x = 5, find x when y = 42. |
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A. |
10 |
B. |
5 |
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C. |
21 |
D. |
4.2 |
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Hint |
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6. |
Determine the value of r so that the line through (5, 2) and (7, r) has a slope of  . |
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A. |
1 |
B. |
3 |
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C. |
2 |
D. |
6 |
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Hint |
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7. |
What is implied when it is said that x and y have a negative correlation? |
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A. |
When the value of x is negative, the value of y negative. |
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B. |
When the value of x increases, the value of y decreases. |
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C. |
When the value of x increases, the value of y does not necessarily increase or decrease. |
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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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8. |
The sum of three times a number and 12 is at least -3 and at most 15. Find the solution set for this number. |
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A. |
{x | x < -5 or x > 1} |
B. |
{x | -5 < x < 1} |
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C. |
{x | -5 < x < 1} |
D. |
{x | -5 < x < 1} |
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Hint |
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9. |
Which inequality is graphed below? |
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A. |
x > -5 |
B. |
x > -5 |
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C. |
y > -5 |
D. |
x < -5 |
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Hint |
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10. |
Find (x - 4)2. |
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A. |
x2 - 16 |
B. |
x2 + 16 |
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C. |
x2 - 8x + 16 |
D. |
x2 - 4x + 16 |
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Hint |
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11. |
Factor 54x3y2 |
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A. |
23 · 3 · x · x · x · y · y |
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B. |
2 · 33 · x · x · y · y · y |
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C. |
2 · 27 · x · x · x · y · y |
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D. |
2 · 33 · x · x · x · y · y |
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Hint |
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12. |
Evaluate  . |
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A. |
1 |
B. |
3 |
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C. |
2 |
D. |
4 |
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Hint |
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13. |
Find three consecutive odd integers that have a sum that is 45. |
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A. |
11, 13, 15 |
B. |
13, 15, 17 |
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C. |
15, 17, 19 |
D. |
14, 15, 16 |
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Hint |
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14. |
Write and solve an inequality for the following: three-fourths of a number is greater than or equal to –48. |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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15. |
Use substitution to solve the system of equations given by x – 4y = 24 and 3x – 4y = 16. |
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A. |
(-4, 7) |
B. |
(10, -3.5) |
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C. |
(-4, -7) |
D. |
(10, 3.5) |
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Hint |
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16. |
Use graphing to solve the system of inequalities given by y < x + 1 and  |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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17. |
Express the result of  in scientific notation. |
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A. |
3.43 × 102 |
B. |
3430 |
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C. |
343 |
D. |
3.43 × 103 |
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Hint |
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18. |
Simplify 5(2k2 – 3k) – 6k(–k2 + k – 7). |
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A. |
6k3 + 4k2 + 27k |
B. |
–6k3 + 4k2 + 27k |
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C. |
6k3 + 4k2 – 5k |
D. |
–6k3 + 4k2 – 5k |
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Hint |
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19. |
Find the product (4n + 3)(4n – 3). |
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A. |
16n2 – 9 |
B. |
16n2 + 9 |
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C. |
16n2 – 24n – 9 |
D. |
16n2 + 24n – 9 |
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Hint |
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20. |
Factor 5x2 + 13x – 6. |
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A. |
not factorable |
B. |
(5x – 2)(x + 3) |
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C. |
(5x + 3)(x – 2) |
D. |
(5x + 2)(x – 3) |
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Hint |
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