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Introduction to Rational Exponents

Objective 1: Simplify ex pressions with rational exponents.

Simplify.

5. Is a negative number ? Why?

6. For find
f (1000) .

Objective 2: Converting between exp onential and radical expressions .

Rewrite the exponential expression as a radical expression and simplify .

Rewrite the radical expression as an exponential expression and simplify.

Objective 3: Simplify radical expressions that are roots of perfect powers .

Evaluate the fol lowing expressions for the given values of the variables .

15. when x = 3 and y = 12 .

16. when x = 19 and y = 6 .

17. when x = 3 and y = 4 .

18. when x = 27 and y = 3.

Simplify the following radical expressions.

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