Warm-up

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Warm-up

• Write as a rational exponent.

Answers
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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!!
Write as radicals and then simplify!!

• Ex 1 272/3 Ex 2 81-3/4

4
YOU TRY
ANSWERS

• A.

-2
B.
5
Reducing the Index of a Radical
Answer
Ex 5
Ex 6
YOU TRY
6
Summary

• What difference is there in simplifying