Solving Quadratics with Quadratic Formula and Square Root Method

Solve 
k² - 6 = 43

• k = √37

• k = 37 or - 37

• k = 7, k = -7

• no solution

Solve for x.

5(x - 3)² = 80

• x = -1, 7

• x = -7, 1

• x = ± 9

• x = 3, 10

• No solution

Solve the following for k.

9k² = 225

• 4

• 4, -4

• 25, -25

• -5, 5

Choose the best method to solve this quadratic:

​ ​ (a)  

x² = - x + 1

• Quadratic Formula

• ZPP

• Square Roots

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

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

Complete the quadratic formula