Radical Expressions And Rational Exponents Worksheet By A.e.cary Page 4
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6Math 95 Lecture Notes
Section 7.1: Radical Expressions and Rational Exponents
Exponent Properties
a
+
a a = a
= a
a
1
(a )
(1
)
a
= a
= (a )
=
a
a
a
=
(ab) = a b
b
b
1
1
= a
a
=
a
a
a
b
b
0
a
= 1, a = 0
=
=
b
a
a
Example 7. Write each expression in radical form. When necessary, use the rules of exponents first. Simplify
each expression as much as possible. Express your simplified answer in exponential form.
1 2
2 3
7 6
(a) x
(c) 8
(e) 12z
2 3
1 3
4 3
(b)
y
(d) (23)
(f) (4x)
Instructor: A.E.Cary
Page 4 of
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