Quiz Discussion

Title: Quadratic-Equations and Factors

Grade Lesson s6-l1

Explanation: Let us discuss a few questions on this topic and review the answers to every question.

Quiz: Discussion

Discussion: Steps1 Steps2 Steps3 Steps4 Steps5

Id Name Note

Solve the quadratic equation: \$ 3x^2 - 4x - 4 = 0 \$.

A) x = 2 and \$ x = 3/2 \$

B) x = -2 and \$ x = -2/3 \$

C) x = -2 and \$ x = -3/2\$

D) x = 2 and \$ x = -2/3 \$

Factorize the quadratic expression: \$3x^2 - 10x - 8 \$.

A) (x - 4)(3x + 2)

B) (x - 4)(3x - 2)

C) (x + 4)(3x + 2)

D) (x - 4)(3x + 3)

Solve the quadratic equation \$2x^2 + 5x - 3 = 0\$.

A) x = 0.5 and x = -3

B) x = 0.6 and x = -4

C) x = -0.5 and x = 3

D) x = -0.6 and x = 4

Solve the quadratic equation \$2x^2 + 7x + 3 = 0\$ using factors.

A) x = 3 and \$x = -1/2\$

B) x = -3 and \$x = -1/2\$

C) x = 3 and \$x = 1/2\$

D) x = -3 and \$x = 1/2\$

Solve the quadratic equation \$2x^2 + 3x - 4 = 0\$ by completing the square.

A) \$x = (-4 + \sqrt (41)) / 3\$ and \$x = (-4 - \sqrt (41)) / 3\$

B) \$x = (-3 - \sqrt (41)) / 4\$ and \$x = (3 + \sqrt (41)) / 4\$

C) \$x = (4 + \sqrt (41)) / 3\$ and \$x = (4 - \sqrt ( 41)) / 3\$

D) \$x = (-3 + \sqrt (41)) / 4\$ and \$x = (-3 - \sqrt (41)) / 4\$

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