7.6 Rational Exponents.

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Presentation transcript:

7.6 Rational Exponents

Fractions, Fractions, are our Friends! What do we do when we have a fraction as an exponent? Change it into a radical The denominator of becomes the index of the radical The numerator becomes the power for the radicand Ex: = pg 11

Examples pg 11

Generalization for numerator greater than 1 If the numerator is bigger than 1: The denominator becomes the index for the radical (nth root) The numerator becomes the power for the nth root of the radicand Ex: = = = = pg 11

pg 12 Examples

pg 12

pg 12