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1. |
Which graph is the graph of the solution set of |6x - 4| > 14? |
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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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2. |
What is the interquartile range of Exam A? |
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A. |
11 |
B. |
5 |
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C. |
35 |
D. |
16 |
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Hint |
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3. |
Which graph is the graph of the inequality 4x + 3y > -15? |
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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 inequality is graphed below? |
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A. |
y < 8 |
B. |
x < 8 |
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C. |
y < 8 |
D. |
y > 8 |
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Hint |
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5. |
Use substitution to solve the system of equations given below.
y = 2x
5x - y = -24 |
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A. |
(-4, -8) |
B. |
infinitely many solutions |
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C. |
(-8, -16) |
D. |
no solution |
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Hint |
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6. |
Use substitution to solve the system of equations given below.
8x - 4y = 16
2x - y = 4 |
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A. |
infinitely many solutions |
B. |
(2, 0) |
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C. |
no solution |
D. |
(0, -4) |
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Hint |
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7. |
Use elimination to solve the system of equations shown below.
2x - 4y = -5
3x + 4y = -15 |
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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. |
Which point is not a solution for the system of inequalities? |
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A. |
(-3, 7) |
B. |
(3, -3) |
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C. |
(-2, -7) |
D. |
(2, -5) |
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Hint |
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9. |
Determine which point is a solution to the system of inequalities by graphing.
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A. |
no solution |
B. |
(5, 6) |
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C. |
(3, 2) |
D. |
(0, 7) |
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Hint |
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10. |
Determine which point is a solution to the system of inequalities by graphing.
y > -2x + 6
2x + y -3 |
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A. |
(8, 0) |
B. |
no solution |
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C. |
(0, 0) |
D. |
(-7, 3) |
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Hint |
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11. |
Simplify  . Assume the denominator is not equal to zero. |
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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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12. |
Find (4x2 + 3x) + (7x2 – 5x – 6). |
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A. |
11x2 – 2x – 6 |
B. |
9x – 6 |
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C. |
11x4 – 2x2 – 6 |
D. |
11x2 – 8x – 6 |
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Hint |
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13. |
Simplify 5a(4a2 – 2a) + 3a(-2a2 + 4a). |
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A. |
2a2 + 10a |
B. |
10a3 + 4a2 |
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C. |
14a3 + 2a2 |
D. |
14a2 + 2a |
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Hint |
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14. |
Solve 4a(a – 4) – 7a = a(4a – 3) + 20. |
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A. |
a = -1 |
B. |
a = -2 |
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C. |
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D. |
a = -6 |
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Hint |
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15. |
Find the GCF of 24, 36, and 108. |
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A. |
72 |
B. |
24 |
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C. |
12 |
D. |
6 |
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Hint |
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16. |
Factor 14x2 - 28y2 + 56 |
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A. |
14(x2 - 14y2 + 42) |
B. |
14xy(x - 2y + 4) |
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C. |
14(x2 - 2y2 + 4) |
D. |
(2x + 7y + 2)(7x - 4y + 2) |
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Hint |
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17. |
Factor x2 – 16. |
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A. |
(x + 4)(x – 4) |
B. |
(x + 4)(x + 4) |
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C. |
(x – 4)(x – 4) |
D. |
(x + 2)(x – 8) |
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Hint |
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18. |
Factor 4y2 – 9. |
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A. |
(2y + 3)(2y – 3) |
B. |
(2y + 3)(2y + 3) |
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C. |
(2y – 3)(2y – 3) |
D. |
prime |
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Hint |
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19. |
Factor 7xy2 - 28x3 |
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A. |
prime |
B. |
(7xy + x)(y – 28x2) |
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C. |
7x2y2(1 + x) |
D. |
7x(y + 2x)(y - 2x) |
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Hint |
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20. |
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. |
infinitely many solutions |
B. |
no solution |
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C. |
one solution at (-6, 0) |
D. |
one solution at  |
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Hint |
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