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1. |
Name the additive inverse of  |
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A. |
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B. |
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Hint |
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2. |
Write an inequality for the following problem. One fourth of a number increased by 17 is at least 63. |
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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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3. |
Choose the graph of 3y - 2x > 6. |
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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. |
Josh has 40 minutes to complete a government exam. There are 15 multiple-choice questions worth 3 points each. There are also 5 short-answer questions worth 11 points each. It takes about 2 minutes for Josh to answer the multiple-choice questions m and about 8 minutes to complete the short-answer questions s. Which inequality is not part of the system of inequalities that represents the problem? |
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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. |
Selena has 31 days to complete her quilt for the county fair. The blue squares in the quilt can be sewn at a rate of 4 squares per day, and the white squares at a rate of 7 squares per day. The quilt can have up to 96 squares total. The blue fabric b costs about $0.80 per square and the white fabric w costs about $1.20 per square. Selena wants to keep costs at a minimum. Write the function that describes the cost of the quilt. |
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A. |
f(b, w) = 4b + 7w |
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B. |
96 = 4b + 7w |
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C. |
96 = 0.80b + 1.20w |
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D. |
f(b, w) = 0.80b + 1.20w |
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Hint |
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6. |
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. |
1 |
B. |
infinite number |
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C. |
2 |
D. |
0 |
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Hint |
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7. |
Which is the quadratic term in the function f(x) = 3x2 + 6x - 4? |
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A. |
3 |
B. |
3x2 + 6x - 4 |
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C. |
x2 |
D. |
3x2 |
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Hint |
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8. |
Find g[h(x)] if g(x) = x2 and h(x) = x + 3. |
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A. |
x3 + 3x2 |
B. |
x2 + x + 3 |
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C. |
x2 + 6x + 9 |
D. |
x2 - x - 3 |
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Hint |
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9. |
Find the inverse of the function f(x) = 2x + 3. |
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B. |
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D. |
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Hint |
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10. |
Name the sets of numbers to which belongs. |
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A. |
Integers, Rationals, and Reals |
B. |
Naturals, Wholes, Integers, Rationals, and Reals |
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C. |
Irrationals and Reals |
D. |
Rationals and Reals |
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Hint |
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11. |
Evaluate | 5 (a 2b) + 3 | if a = -3 and b = 7. |
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A. |
85 |
B. |
88 |
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C. |
82 |
D. |
-85 |
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Hint |
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12. |
If find f (-9). |
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A. |
-1 |
B. |
5 |
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C. |
1 |
D. |
-5 |
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Hint |
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13. |
What are the solutions to the system y + 2x 5z = 4, 2y 4x + 10z = 8, 3y + x 3z = 5? |
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A. |
infinite |
B. |
no solution |
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C. |
(2, 2, 2) |
D. |
(2, 2, 1) |
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Hint |
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14. |
Evaluate  |
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A. |
38 |
B. |
128 |
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C. |
38 |
D. |
128 |
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Hint |
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15. |
Solve the system of equations4x 2y = 2, 3x + 7y = 29 |
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A. |
no solution |
B. |
(2, 5) |
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C. |
(2, 5) |
D. |
(2, 5) |
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Hint |
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16. |
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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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17. |
What must be done to the quadratic expression ax2 + bx in order to complete the square? |
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A. |
square b and add to original |
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B. |
find one half of b, square this result, and add to original |
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C. |
square b, then find one half of the result, and add to original. |
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D. |
find one fourth of b and add to original |
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Hint |
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18. |
Find the vertex of the graph of the function . |
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A. |
(1, 4) |
B. |
(1, 2) |
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C. |
(1, 2) |
D. |
(1, 4) |
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Hint |
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19. |
Find all zeros of . |
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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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20. |
Given that and , find  |
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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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