Solving Quadratic Equations 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

Solve the equation using Square Roots Method:

• -3

• 3

• 4

• 1

• 2

• -2

• 8

• 0

• 5

• 11

Solve by using the square root method:

• No Solution

• x = 3, -3

• x = -21, 21

• x = 7, -7

When do you use the plus or minus symbol?
±

• After taking the square root of both sides

• After adding the square to both sides

• After taking half of b

• After setting the equation equal to zero

• x=10

• x=-10

• x= -10, 10

• x= -50,50

Solve the equation using the Square Roots Method:

• No Solution

Solve by using the square root method:

• No Solution

• x = 3, -3

• x = -21, 21

• x = 7, -7

Which TWO methods could be used to solve this equation?

x² + 2x = -9

• Square Root Method

• Factor Method

• Complete the Square

• Quadratic Formula