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 b2 = a.
2.
|
Examples
because 32 = 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
|