6/14 Solving Quadratics

Solve by factoring

• A
• B
• C
• D

Solve by taking square roots:
4m² - 100 = 0

• m=25, -25
• m=96
• m=5, -5
• m=-96

What is another word for zeros?

• y-intercepts
• roots
• vertex
• axis of symmetry

• -2, 4
• -8
• ±8
• No real solution

• -4, 2
• -2, 4
• -16
• -4

Find the zeros.

• 0 and 4
• 0 and -4
• 0
• -4

Solve
x² + 7x + 12 = 0

• x = -2, x = -10
• x = -3, x = -4
• x = -4, x = -5
• x = -4, x = -6

Solve
x² + 9x + 20 = 0

• x = -2, x = -10
• x = -3, x = -4
• x = -4, x = -5
• x = -4, x = -6

Solve by factoring: x² + 3x - 18 = 0

• x = -3 and x = 6
• x = 3 and x = -6
• x = -9 and x = 2
• x = 9 and x = -2

x² + 15x + 44 = 0

• {-8, 2}
• {-7, 5}
• {-11, -4}
• {-11}