Solve the following equation involving absolute value: -3│4x – 7│+ 15 = 0

·

A. {2/3, 3}

·

B. {1/4, 6}

·

C. {1/2, 3}

·

D. {1/5, 3}

Solve the following linear equation: 7(x – 2) = 4(x + 1) – 21

·

A. x = 0

·

B. x = -1

·

C. x = -3

·

D. x = 3

Solve the following linear inequality:

-3

≤

2x + 5

3

<

6

·

A. [-7, 13/2)

·

B. [-12, 7/2)

·

C. [-3, 8/3)

·

D. [3, 6/5)

Solve the following absolute value inequality: │3x + 2│ ≥ 3

·

A. (-∞, -5/3] ∪ [1/3, ∞)

·

B. (-∞, -6/7] ∪ [5/6, ∞)

·

C. (-∞, -4/7] ∪ [1/2, ∞)

·

D. (∞, -6/7] ∪ [1/3, ∞)

Solve the following linear equation:

2x – 3

4

=

x -4

2

–

x + 1

4

·

A. 2

·

B. 3

·

C. -6

·

D. -8

Solve the following radical equation: √(x-3) + 5 = x

·

A. {2}

·

B. {5}

·

C. {9}

·

D. {7}

Solve the following formula for the speciﬁed variable: V = 1/3 lwh for h

·

A. h = 3V/lw

·

B. h = 5V/lw

·

C. h = 2V/ w

·

D. h = 7V/lw

Solve the following linear equation: -10 – 3(2x + 1) – 8x – 1 = 0

·

A. x = -2

·

B. x = 4

·

C. x = -1

·

D. x = -2

Solve. Write the solution in interval notation. |x + 4| ≤ 6

·

A. (–∞, –10) ∪ (2, ∞)

·

B. (–∞, –10] ∪ [2, ∞)

·

C. (–10, 2)

·

D. [–10, 2]

Solve the following linear inequality: x/6 + 1/8 ≤ x/2 – 3/4

·

A. [21/8, ∞)

·

B. [12/3, -∞)

·

C. [4,-∞)

·

D. (-∞, ∞)

Solve the following quadratic equation: 2×2 + 5x – 3 = 0

·

A. {-1/2,2}

·

B. {1/2,3}

·

C. {2,4}

·

D. {-1/3,5}

Solve the following quadratic equation: (x + 3)2 + 25 = 0

·

A. {-4 – 6i, -1 + 4i}

·

B. {-4 – 6i, -2 + 5i}

·

C. {-3 – 5i, -3 + 5i}

·

D. {-6 – 5i, -2 + 4i}

Solve the following equation quadratic in form: x2/3 – 9×1/3 + 8 = 0

·

A. {1, 219}

·

B. {1, 328}

·

C. {1, 129}

·

D. {1, 512}

Solve: 9x + 8 = 2x + 8

·

A. –1

·

B. 0

·

C. 1

·

D. 2

Which statement is FALSE?

·

A. d ∉ {a, b, c}

·

B. Ø ∈ {a, b, c}

·

C. Ø ⊂ {a, b, c}

·

D. a ∈ {a, b, c}