Solving Quadratic by Square Roots

Solve using square roots.

• ±81

• ±9

• ±3

• No real solution

Solve the equation using square roots.
x² = 121

• 60.5

• ± 11

• ± 12

• 11

x²=25

• x = 5

• x = -5

• x = ±25

• x = ±5

Solve using square roots.

• A

• B

• C

• D

2x²= 30

• x= √5

• x= √30

• x= √15

• x= ±5

Solve using square roots.
5b² - 4 = 41

• b = 9, b = -9

• b = 3, b = -3

• b = 8, b = -8

• no solution

Solve using square roots.

• A

• B

• C

• D