Factoring quadratics

Solve by factoring.

x² + 15x + 44 = 0

• {-8, 2}

• {-7, 5}

• {-11, -4}

• {-11}

x² − 7x − 18

• (x − 9)(x + 2)

• (x + 9)(x + 2)

• (x − 9)(x - 2)

• (x − 9)(x - 2)

7x² − 31x − 20

• (7x + 4)(x − 5)

• (7x - 4)(x − 5)

• (7x + 4)(x + 5)

• (7x - 4)(x − 5)

7x² − 45x − 28

• 7(x + 4)(x − 7)

• (x + 4)(7x - 7)

• (7x + 4)(x − 7)

• (7x - 4)(x + 7)

3b³ − 5b² + 2b

• b(3b − 2)(b − 1)

• (3b² − 2)(b − 1)

• (3b − 2)(b² − 1)

• b(3b + 2 )(b + 1)

10m² + 89m − 9

• (m + 9)(10m + 1)

• (m + 9)(10m − 1)

• (m - 9)(10m − 1)

• not factorable

Find the zeros of this quadratic.

• b=4/5, b=3
• b=4, b=-3
• b=1/5, b=3
• b=4/5, b=-3

Solve for h:
0 = (h – 7)(2h + 3)

• h = –14 or h = 12
• h = –7 or h = 3
• h = 7 or h = -3/2
• h = –14 or h = -3/2

What are the solutions when factoring?

• x = 6,2

• x = -6, -2

• x = 8, 12

• x = 4, 4

The x-intercepts of a quadratic equation are known as the _____.

• vertices
• squares
• zeros
• formulas