The Quadratics by Square Roots

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.

• A

• B

• C

• D

Which of the following are steps to solve a quadratic equation by square roots. (check all that apply)

• Identify a, b, and c

• get the squared value by itself

• cancel the square by taking the square root of each side

• remember to include the positive and negative root

• set the equation equal to zero

Solve using square roots.
5b² - 4 = 41

• b = 9, b = -9

• b = 3, b = -3

• b = 8, b = -8

• no solution

x² -4 = 77

• 9

• -9

• No Real Solutions

• ±9

Solve using square roots.

• ±81

• ±9

• ±3

• No real solution

3x² - 1 = 14

• 5

• -√5

• -√5, √5

• √5

Solve using square roots.

• A

• B

• C

• D