Solving Quadratic and Radical Equations

Solve the radical equation

• 9
• 82
• -9
• -82

Solve

• -14
• 14
• no solution
• 28

• x = 18

• x = 6

x² - 10 = 71

When solving a quadratic equation using the square root method, what would you do first?

• factor

• isolate the x²

• set two equations equal to zero

• No solution

Solve by taking the square root s.

• A

• B

• C

• D

Solve for x.

5(x - 3)² + 1 = 81

• x = -1, 7

• x = -7, 1

• x = ± 9

• x = 3, 10

• x=5

• x=65

• x=65, x=-1

• x=-65

Solve the radical equation. Don't forget to check your answers!

• -6

• -3

• 6

• 15