Quadratic Equation by Square Root Method

Solve by the Square Root method: x² = 16

• ± 4

• ± 8

• 4

• 8

Solve by the Square Root method:

-5x² = -50

• ± 5

• ± 10

• ± √10

• -10

Which is the BEST method to use to solve this equation?

3a² = 27

• Square Root Method

• Factor Method

• Complete the Square

• Quadratic Formula

Which TWO methods could be used to solve this equation?

x² - 3x - 54 = 0

• Square Root Method

• Factor Method

• Complete the Square

• Quadratic Formula

Solve using the Square Root Method

x² + 4 = 68

• ± 8

• ± √8

• 8

• ± 64

x² = 16

• ± 4

• ± 8

• 4

• 8

Solve using the square root method:

x² - 49 = 0

• x = -7, x = 7

• x = -7

• x = 7

• x = -7, x = 1

Decide on the best method:
x² - 18 = 0

• Square Root Method

• Factor Method 

• Complete the Square

• Quadratic Formula

• -3

• 3

• 4

• 1

• 2

• -2

• 8

• 0

• 5

• 11