Solving Quadratics by Factoring

Find the zeros by factoring.

g(x) = 2x² + 9x + 4

• (-4,1) and (-1/2, 0)

• (-4,0) and (-1/2, 0)

• (4,0) and (-1/2, 0)

Solve by factoring:  4x² + 11x - 3 = 0

• x = -3/4 and x = -1
• x = 4 and x = 3
• x = 1/4 and x = -3
• x = -1/4 and x = 3

• p = –1

• p = –5

• p = 1

• p = 5

Solve.

3x² + 5x + 2 = 0

• x = -2/3 and x = -1

• x = -3/2 and x = -1

• x = 2/3 and x = 1

• x = 2/3 and x = -1

Solve.

2x² = 3x + 2

• x = 1, x = -1

• x = -1/2, x = 2

• x = 1/2, x = 2

• x = 1/2, x = 1

Solve for x: 2x² + 4x - 30 = 0

• x = 3, 5

• x = -5, 3

• x = -5, -3

• x = -3, 5

Solve for x: 3x² - 15x + 18 = 0

• x = 2, 3

• x = -3, -2

• x = -3, 2

• x = -2, 3

What are the solutions to 8x² + 16x + 8 = 0?

• x = - 1, x = - 1

• x = 8, x = 8

• x = 1, x = 1

• x = -8, x = -8

Which of the following is a factor of 10x² - 13x - 3?

• 7x - 1

• 3x + 1

• 5x + 1

• not factorable