Factoring Quadratics Using Square Root Method

Solve.

x²=9

• x = ±9

• x = ± 3

• x = 0

• x = ± √3

• {49,-49}

• {8,-8}

• {7,-7}

• No Solution

Solve using square roots.

• ±81

• ±9

• ±3

• No real solution

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

3a² = 27

• Square Root Method

• Factor Method

• Complete the Square

• Quadratic Formula

Solve by the Square Root method: x² = 16

• ± 4

• ± 8

• 4

• 8

Find the missing value "c" to create a perfect square trinomial:
x² – 8x  + ___ 

• -4

• 16

• 4

• 8

Which TWO methods could be used to solve this equation?

x² - 3x - 54 = 0

• Square Root Method

• Factor Method

• Complete the Square

• Quadratic Formula

Which TWO methods could be used to solve this equation?

x² + 2x = -9

• Square Root Method

• Factor Method

• Complete the Square

• Quadratic Formula

Which TWO methods could be used to solve this equation? 2x² + 4x - 6 = 0

• Square Root Method

• Factor Method

• Quadratic Formula

• Completing the Square

Using the Square Root method, what is the first step to solving the equation: 8x²+9=10

• Subtract 10 from both sides

• Divide by 8

• Subtract 9 from both sides

• Take the square root of both sides.