Solve by Square Root Quadratics

Solve using square roots.

• A

• B

• C

• D

Solve using square roots.

• A

• B

• C

• D

Solve using square roots.

• ±81

• ±9

• ±3

• No real solution

Solve using square roots.

• A

• B

• C

• D

Solve using square roots.

• A

• B

• C

• D

Solve using square roots.

• A

• B

• C

• D

Solve using square roots.
k² - 6 = 43

• k = √37

• k = 37 or - 37

• k = 7, k = -7

• no solution

What is this?

• This is the speed of light formula.

• This is the quadratic formula.

• This is the zero product property.

• This is scary.

Which method is MOST EFFICIENT to solve:
8x²  -  6  = 0

• Square Root Method

• Greatest Common Factor (GCF)

• Complete the Square

• Quadratic Formula

Can this quadratic be solved by BOTH square root method AND difference of squares?
16x² - 25 = 0

• Yes!

• No - just square root method

• No - just difference of squares method