Quadratic Equations, b, and c

Solve the Quadratic Equation

• A

• B

• C

• D

• x = 3  or   x = -3

• no solution

• x = 6 or x = -6

• x = 3

Solve the Quadratic Equation

2(x - 4)² = 200

• ±10

• -14, 6

• -6, 14

• 14

Solve the Quadratic Equation

(x + 2)² = 25

• x = 5 or -5

• x = 3 or -3

• x = 7 or -3

• x = -7 or 3

Solve the Quadratic Equation

x² - 49 = 0

• x = -7, x = 7

• x = -7

• x = 7

• x = -7, x = 1

What is another word for zeros?

• y-intercepts

• roots

• vertex

• axis of symmetry

What is this formula?

• This is the speed of light formula.

• This is the quadratic formula.

• This is the zero product property.

• This is scary.

Which is the ONLY method that can be used to solve this equation? 2x² - 7x + 2 = 0

• Square Root Method

• Factor Method

• Complete the Square

• Quadratic Formula

Which TWO methods could be used to solve this equation? 2x² + 4x - 6 = 0

• Square Root Method

• Factor Method

• Quadratic Formula

• Completing the Square

Solve by using a method of your choice:

k² − 12k + 23 = 0

• {6 + √13, 6 - √13}

• {-6 + √13, -6 - √13}

• {6 + √59, 6 - √59}

• {-6 + √59, -6 - √59}