3.6 Solve Radical Equations.notebook
November 14, 2016
3.6 Solve Radical Equations
A radical equation contains at least one radical expression
with a variable in the radicand.
A. Equation with One Radical (
Example 1:
Steps:
1. Isolate the radical on
one side of the =.
2. Raise both sides to the
power of the index number
on the radical.
You must check your solutions!
An extraneous solution is an answer you get that will not work in
the original equation. It is not a solution to the equation!
Example 2:
)
3.6 Solve Radical Equations.notebook
Example 3:
Example 4:
November 14, 2016
3.6 Solve Radical Equations.notebook
November 14, 2016
B. Equation with Two Radicals
To solve:
1. Each side of the equation should have one radical.
2. You may need to move one radical by adding or
subtracting it.
Example 1:
Example 2:
3.6 Solve Radical Equations.notebook
Example 4:
Example 5:
November 14, 2016
3.6 Solve Radical Equations.notebook
November 14, 2016
Classwork
Solve.
1.
6.
2.
7.
3.
8.
4.
9.
5.
10.