1. Warm-up Write as a rational exponent. Answers:

2. Notes P3, Day 3: Cube Roots and Rational Exponents Definition of the Principal nth Root of a Real Number or RADICAL!!!!!!!! N is called the index A is called the Radicand You must work out the radical first to see if it is possible. A negative sign under the radical will most likely give you an imaginary number!!!

3. Write as rational exponents and then simplify!! Ex 1: 27 2/3 Ex 2: 81 -3/4 Write as radicals and then simplify!!

4. YOU TRY: A. B. ANSWERS: -2

5. Reducing the Index of a Radical Ex 5: Answer: Ex 6: YOU TRY:

6. Summary: What difference is there in simplifying