Square Root Rules
Algebra rules for square
roots are listed
below. Square root rules are a subset of nth
root rules and exponent
rules.
Definitions
1. if both b ≥ 0 and b^{2} = a.
2.

Examples
because 3^{2} = 9.

3. If a ≥ 0 then .


Distributing (a ≥ 0 and b ≥ 0)
1.
2. (b ≠ 0)
3.

Examples

4.


Rationalizing the Denominator
(a > 0, b > 0, c > 0) 
Examples 








Careful!!
1.
2.
3.

Examples

See
also
nth
root, radical, factoring rules
