Monday, March 30 - Solving Quadratics

What are the solutions?

• -2, 1
• 1, 2
• -1,2
• 0,-4

Solve the equation using square roots.
x² = 121

• 60.5
• ± 11
• ± 12
• 11

Solve the equation using the zero product property.
(x- 9)(x + 3) = 0

• x = 3 or x = 9
• x = 3 or x = -9
• x + -3 or x = 9
• x = -3 or x = -9

Solve the equation by factoring.
x² + 13x + 40 = 0

• -8, 5
• -40, -1
• 5, 8
• -8, -5

Use the Quadratic Formula to solve the Quadratic Equation.
x² + 4x - 9

• -2 ± √13
• -2 ± 2√7
• -2 ± √7
• -2 + √7