College Algebra
Solve the following equation involving absolute value: -3│4x - 7│+ 15 = 0
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A. {2/3, 3}
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B. {1/4, 6}
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C. {1/2, 3}
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D. {1/5, 3}
Solve the following linear equation: 7(x - 2) = 4(x + 1) - 21
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A. x = 0
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B. x = -1
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C. x = -3
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D. x = 3
Solve the following linear inequality:
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-3 |
≤ |
2x + 5
3 |
< |
6 |
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A. [-7, 13/2)
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B. [-12, 7/2)
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C. [-3, 8/3)
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D. [3, 6/5)
Solve the following absolute value inequality: │3x + 2│ ≥ 3
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A. (-∞, -5/3] ∪ [1/3, ∞)
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B. (-∞, -6/7] ∪ [5/6, ∞)
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C. (-∞, -4/7] ∪ [1/2, ∞)
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D. (∞, -6/7] ∪ [1/3, ∞)
Solve the following linear equation:
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2x - 3
4 |
= |
x -4
2 |
- |
x + 1
4 |
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A. 2
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B. 3
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C. -6
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D. -8
Solve the following radical equation: √(x-3) + 5 = x
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A. {2}
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B. {5}
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C. {9}
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D. {7}
Solve the following formula for the specified variable: V = 1/3 lwh for h
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A. h = 3V/lw
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B. h = 5V/lw
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C. h = 2V/ w
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D. h = 7V/lw
Solve the following linear equation: -10 - 3(2x + 1) - 8x - 1 = 0
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A. x = -2
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B. x = 4
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C. x = -1
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D. x = -2
Solve. Write the solution in interval notation. |x + 4| ≤ 6
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A. (–∞, –10) ∪ (2, ∞)
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B. (–∞, –10] ∪ [2, ∞)
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C. (–10, 2)
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D. [–10, 2]
Solve the following linear inequality: x/6 + 1/8 ≤ x/2 - 3/4
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A. [21/8, ∞)
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B. [12/3, -∞)
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C. [4,-∞)
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D. (-∞, ∞)
Solve the following quadratic equation: 2x2 + 5x - 3 = 0
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A. {-1/2,2}
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B. {1/2,3}
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C. {2,4}
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D. {-1/3,5}
Solve the following quadratic equation: (x + 3)2 + 25 = 0
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A. {-4 - 6i, -1 + 4i}
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B. {-4 - 6i, -2 + 5i}
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C. {-3 - 5i, -3 + 5i}
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D. {-6 - 5i, -2 + 4i}
Solve the following equation quadratic in form: x2/3 - 9x1/3 + 8 = 0
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A. {1, 219}
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B. {1, 328}
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C. {1, 129}
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D. {1, 512}
Solve: 9x + 8 = 2x + 8
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A. –1
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B. 0
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C. 1
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D. 2
Which statement is FALSE?
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A. d ∉ {a, b, c}
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B. Ø ∈ {a, b, c}
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C. Ø ⊂ {a, b, c}
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D. a ∈ {a, b, c}