Solve Quadratics by Best Method

Choose the best method to solve this quadratic:

​ ​ ​ (a)  

x² - 8x - 5 = 0

• ZPP

• Square Roots

• Quadratic Formula

Which method of solving quadratics would you use to solve the following:

• Completing the Square

• ZPP

• Square Roots

Which method of solving quadratics would you use to solve the following:

• Completing the Square

• ZPP

• Square Roots

How many solutions are there?

• 0

• 1

• 2

• Cannot be determined

Which method of solving quadratics would you use to solve the following:

• Completing the Square

• ZPP

• Square Roots

• -2, 4
• -8
• ±8
• No real solution

• -4, 2
• -2, 4
• -16
• -4

Solve by completing the square:
k² − 12k + 23 = 0

• {6 + √13, 6 - √13}

• {-6 + √13, -6 - √13}

• {6 + √59, 6 - √59}

• {-6 + √59, -6 - √59}

Solve the following quadratics equation by completing the square... x² + 4x + 1 = 0

• x = -2 ± √3

• x = -3 ± √2

• x = 2 ± √3

• x = 2 ± √2

Solve using the Quadratic Formula:

x² + 4x + 3 = 0

• x = 1 and x = 3

• x = 6 and x = -2

• x = -1 and x = -3

• x=-1 and x=3