Solving Quadratics with Complex Solutions Using Square Root Method

Choose the best method to solve this quadratic:

​ (a)  

3x² - 21 = 3

• Square Roots

• ZPP

• Quadratic Formula

Choose the best method to solve this quadratic:

​ (a)  

2(x + 2)² - 5 = 8

• Square Roots

• Quadratic Formula

• ZPP

• ±72

• ±12

• 12

• No real solution

• A
• B
• C
• D

Solve
x² + 49 = 0

• -7

• -7

• 7i

• ±7i

Solve x² = -16

• x = -4, 4

• x = -4,0, 4

• x = -4i, 4i

• x = 2i, x = -2i

• x = 2, x = -2

• x = 4i, x = -4i

• x = 1, x = -1

Find the roots of the following quadratics:

• No Solutions

• A

• B

• C

• D

• A
• B
• C
• D