Solving Quadratic Equations with Square Roots

Choose the best method to solve this quadratic:

​ (a)  

2(x + 2)² - 5 = 8

• Square Roots

• Quadratic Formula

• ZPP

Choose the best method to solve this quadratic:

​ (a)  

3x² - 21 = 3

• Square Roots

• ZPP

• 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

• x = ±9/4

• x = ±2/3

• x = ±4/9

• x = ±3/2

• A

• B

• C

• D

• A
• B
• C
• D

Solve the equation using square roots.
x² = 121

• 60.5

• ± 11

• ± 12

• 11

Solve using square roots:

x² - 18 = 0

• x = ±√18

• No solution

• x = ±9

• x = 18

x² = 16

• ± 4

• ± 8

• 4

• 8