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Learn how to solve equations using nth roots and rational exponents. Find the indicated nth roots and rewrite expressions using rational exponent and radical notations.
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Algebra II 5.1: nth Roots and Rational Exponents Objective: to Solve equations using nth roots
Example 1:Find the indicated realnth root(s) of a a) n = 3, a = -216 b) n = 4, a =81
Practice: Find the indicated nth root(s) of a 1.) n = 4, a = -16 2.) n = 5, a = 243
Practice: Find the indicated nth root(s) of a 3.) n = 2, a = -49 2.) n = 3, a = -125
Why rational roots? • What is a rational root?