1. Ch 8: Exponents D) Rational Exponents
Objective:
To simplify expressions involving rational exponents.

2. Definitions
Rational Exponent An exponent in the form of a fraction
Rules
1) Start with the base inside the radical
2) Numerator of exponent represents the POWER
3) Denominator of exponent represents the ROOT
power =
root
base

3. Example 1
Example 2 3 5 2 3
Example 3
Example 4 2 3 -1 -2 = =

4. Classwork 5 7 1) 4 2) 2 3 2 3) 4 4) 5 2 5 5) -3 6) -3 = =

5. Example 5
Example 6 2 3 t 3 y 4
Example 7
Example 8 -1 -3 x 2 r 2

6. Classwork 4 5 t 7 y 6 7) 8) 3 7 x 2 r 2 9)
10)
11)
12) -3 -5 s 4 x 2