Section 5.7: Rational Exponents
(
To Simplify Rational Exponents
d
x
)
n
d
=
x
n
= x
No negative exponents
No rational exponents in the denominator
(just like no radicals in denominator!)
No improper
332 Algebra II
Working with Radicals:
5.7 Rational Exponents WS
Name: _
Date: _ Block: _
Rationalize the denominator and simplify completely.
2
1.
125
64
3.
4k
3
2.
2
3
3
x
4.
x
5.
3 x
y
1
5
2
3
5