1. Algebra II with Trigonometry Ms. Lee
Radical Equations
Algebra II with Trigonometry
Ms. Lee

2. Essential Stuff Essential Question Essential Vocabulary
How do you solve radical equations?
Essential Vocabulary
Radical Equation
Rational Exponent
Extraneous Solution

3. Solving Radical Equations
Radical Equation: An equation with variables in the radicand or variables with a rational exponent.

4. Steps to solve a radical equation…
Isolate the radical on one side of the equation
Raise both sides of the equation to the same power
Solve for the variable
Check for extraneous solutions

5. Solving Radical Equations
Some radical equations have variables under two different radicals.
Put radicals with variables on opposite sides and raise both sides to same power to eliminate radicals.
If equation has a rational exponent, change to a radical and then solve.
Guided Practice

6. Homework
Homework 8.4