Announcements Today is deadline for Unit 6 Reassessment –Sign up on round table –Fill out Reflection Form –Practice on what you missed Quiz next class on WS 7-1 and WS 7-2.

Rational Exponents and Radicals

Objectives I can rewrite a rational exponent as a radical I can rewrite a radical as a rational exponent I can simplify an expression with rational exponents or radicals

Rational Exponents Property For any real number b and integers m, n with n > 1, then

Radical Expression vs Rational Exponents..

Simplify with rational exponents means: Lowest possible Base No negative exponents No fractional exponents in denominator

To Simplify Use powers to substitute into the original base (see below)

To Simplify Use powers to substitute into the original base (see below)

To Simplify Use powers to substitute into the original base (see below)

Simplifying Negative Exponents

Simplifying Radicals Review This section is a review from working with radicals in the unit solving quadratics –Quadratic formula –Square roots method –Complete the square You want to bring as much out of the “house” as possible

Simplify Means: Bring as much outside the radical as possible No radicals in denominator

Index Number The Index Number determines how many you have to cross off to bring ONE out of the “house”

Simplify

Homework Worksheet 7-3 Quiz next class on 7-1 and 7-2 only