Lesson 6.2 Radicals and Rational Exponents Topic/ Objectives To find nth roots To evaluate expressions with rational exponents EQ: How do you write the nth root of a number using roots other than square roots. Recall : These are square roots. They also can be written as The 2 is not needed for square roots, its assumed.

Other Roots Find the nth root of a when … n = 3 and a = 273 n = 4 and a = 162

Rational Exponents Other rational exponents 81

Rewrite the expression in rational exponent form. Write as integer with fraction exponent.