Solving Equations Containing

1
Solving Equations Containing
Radical Expressions
2
To solve an equation with a radical expression,
you need to isolate the variable on one side of
the equation.
We will solve an equation together.
Factored out the GCF
Next
3
Multiply by conjugate
4
Dont forget to check your work.
5
Example 1
6
Example 2
7
Example 3
8
Example 4
9
Example 5
10
Example 6
NOW check this
???
Think about it Square roots are always
positive unless stated otherwise (in front of
symbol)
Answer is empty set Ø
11
Example 7
Square roots are always positive unless stated
otherwise (in front of symbol)
Answer is empty set Ø
12
Example 8
Square each side
Combine like terms
Divide by 6
Square each side again
Next
13
Check n2
Since the root of x2 does not check, it is
called an extraneous solution.
14
Check 2 n 27
The solution is n27.
15
Example 9