Algebra Quiz

Consider the expression 2x^2 - 4x + 1. What is the value of the expression if x = 2.5?

• A) 2.25

• B) 0.25

• C) 6.25

• D) 4.25

Consider the expression -x^3 - 5x^2 + x - 7. What is the value of the expression if x = -1?

• A) -2

• B) -12

• C) 0

• D) 2

Solve 10 - 5x = 3(x - 4) - 2(x + 7) for x. Write your solution in set notation.

• A) {x | x = 3}

• B) {x | x = -3}

• C) {x | x = 2}

• D) {x | x = -2}

Solve 6x + 11 = -6(6x + 5) for x. Write your solution in set notation.

• A) {x | x = -1}

• B) {x | x = 1}

• C) {x | x = -2}

• D) {x | x = 2}

Solve 5x - 3 = 4(x + 2) + x for x. Write your solution in set notation.

• A) {x | x = 1}

• B) {x | x = -1}

• C) {x | x = 5}

• D) {x | x = -5}

Solve 4x - 4 = 2(x + 3) for x. Graph your solution set on a number line.

• A) {x | x = 5}

• B) {x | x = 10}

• C) {x | x = 2}

• D) {x | x = 7}

Solve 5x - 89 < 10 - 15x + 1 for x. Graph your solution set on a number line.

• A) {x | x < 6}

• B) {x | x < 5}

• C) {x | x > 6}

• D) {x | x > 5}

Solve 5x - 3(x - 5) ≥ 2(3x + 9) for x. Graph your solution set on a number line.

• A) {x | x ≥ -6}

• B) {x | x ≤ -6}

• C) {x | x ≥ 6}

• D) {x | x ≤ 6}

What is the solution for the factored form equation (x – 5)(2x + 8)(x + 1) = 0?

• x = 5, x = -4, x = -1

• x = 5, x = -8/2, x = -1

• x = -5, x = 4, x = 1

• x = -5, x = -4/2, x = 1

What is the solution for the equation (3x + 4)(-x – 2)(2x – 3) = 0?

• x = -4/3, x = 2, x = 3/2

• x = -3/4, x = -2, x = 3/2

• x = 4/3, x = 2, x = -3/2

• x = -3/4, x = 2, x = 1.5