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1. |
Evaluate (16 - 4) ÷ 12 × 15. |
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A. |
15 |
B. |
1 |
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C. |
 |
D. |
 |
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Hint |
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2. |
State the domain of the relation whose graph is shown. |
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A. |
{-2, -1, 0, 2} |
B. |
{-1, 4, 1, 2} |
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C. |
{0} |
D. |
{-2, -1, 2} |
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Hint |
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3. |
Write the point-slope form of an equation of the line that passes through (4, -3) and (2, 1). |
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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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4. |
Which is the graph of the solution to the inequality
 |
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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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5. |
Solve  |
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A. |
{x | x > 23.68} |
B. |
{x | x < 2.31} |
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C. |
{x | x < 23.68} |
D. |
{x | x > 0.43} |
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Hint |
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6. |
Use the graph below to determine if the given system of equations has one solution, no solution, or infinitely many solutions. If the system has one solution, name it.
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A. |
one solution at . |
B. |
one solution at (-6, 0) |
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C. |
infinitely many solutions |
D. |
no solution |
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Hint |
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7. |
Simplify (4x2y) (2xy2z3)3. |
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A. |
24x5y7z9 |
B. |
32x5y7z9 |
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C. |
8x5y7z9 |
D. |
32x6y6z9 |
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Hint |
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8. |
Simplify . Assume the denominator is not equal to zero. |
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A. |
 |
B. |
 |
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C. |
-b2 |
D. |
 |
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Hint |
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9. |
Factor -180x2y2 |
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A. |
-1 · 22 · 32 · 5 · x · x · y · y |
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B. |
4 · 9 · 5 · x · x · y · y |
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C. |
-1 · 22 · 9 · 5 · x · x · y · y |
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D. |
22 · 32 · 5 · x · x · y · y |
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Hint |
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10. |
Find the GCF of 24, 36, and 108. |
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A. |
12 |
B. |
24 |
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C. |
6 |
D. |
72 |
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Hint |
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11. |
Factor 3x3 + 2x2y + 3xy2 + 2y3 |
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A. |
x2(3x + 2y) + y2(3x + 2y) |
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B. |
(x2 + y2)(3x + 2y) |
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C. |
(3x + 2y)(x + y)(x - y) |
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D. |
xy(3x2 + 2x + 3y + 2y2) |
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Hint |
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12. |
Use the quadratic formula to solve x2 + 2x - 8 = 0. |
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A. |
-2 |
B. |
-4 |
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C. |
-4, -2 |
D. |
-4, 2 |
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Hint |
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13. |
The Mendoza family just bought a house for $180,000. If the value of the house increases at a rate of 3% per year, about how much will it be worth in 10 years? |
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A. |
$250,000 |
B. |
$258,000 |
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C. |
$234,000 |
D. |
$242,000 |
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Hint |
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14. |
Rico took a survey to find out the number of family members in each of his classmates' households. The results of the survey are shown in the graph. How many total people responded to the survey? |
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A. |
95 |
B. |
100 |
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C. |
90 |
D. |
85 |
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Hint |
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15. |
Rico took a survey to find out the number of family members in each of his classmates' households. The results of the survey are shown in the graph. How many students responded with an answer of 2 or 3 family members? |
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A. |
20 |
B. |
45 |
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C. |
25 |
D. |
5 |
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Hint |
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16. |
Find the solution set for y = x – 3, given the replacement set {(-8, -7), (-5, -5), (0, 3), (4, 5)} |
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A. |
{(-5, -5), (4, 5)} |
B. |
{(-8, -7), (0, 3)} |
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C. |
{(-5, -5)} |
D. |
{(-8, -7)} |
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Hint |
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17. |
Suppose that the base of a triangle is 3xy and its height is also 3xy. What is its area, expressed as a monomial? |
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A. |
 |
B. |
6x2y2 |
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C. |
 |
D. |
x4 |
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Hint |
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18. |
Anthony and Sanford each throw a football. The height of Anthony's throw can represented by the equation A = –10x2 + 15x + 22, where A is height and x is the time in seconds. The height of Sanford's throw can represented by the equation S = –9x2 + 14x + 23. At time x, what is the combined height of the throws? |
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A. |
–19x2 + 29x + 45 |
B. |
19x2 + 29x + 45 |
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C. |
–x2 + x – 1 |
D. |
x2 – x + 1 |
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Hint |
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19. |
A rectangle has a base of 4x – 1 and a height of 3x + 2. What is the area? |
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A. |
12x2 + 5x + 2 |
B. |
12x2 – 5x + 2 |
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C. |
12x2 + 5x – 2 |
D. |
12x2 – 5x – 2 |
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Hint |
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20. |
Suppose that the sixth term of a geometric sequence is 1215, and the first term is 5. What is the second term? |
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A. |
8 |
B. |
12.5 |
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C. |
15 |
D. |
9 |
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Hint |
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