Solving for Radicals

Solve the radical equation

• 25

• 50

• 125

• 5

• 45
• 55/3
• 5
• 189

• 2, 7
• 2
• 7
• No Solution

What is the first step of Radical Equations?

• Check for extraneous solutions.

• Raise each side of the equation to the power of the index.

• Isolate the radical on one side of equations.

• Solve the remaining equation.

Solve.

• x = -7

• x = 7

• x = -11

• no solution

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

• x = -6

• x = 3

• x = 7/3

• x = -5

• A
• B
• C
• D

• Step 1: subtract both sides by 8
• Step 1: add 6 to both sides
• Step 1: Divide both sides by 8
• Step 1: Divide both sides by 6

• A
• B
• C
• D

• Step 1: divide both sides by 2
• Step 1: add 9 to both sides