1. Bell Ringer 9/18/15 1. Simplify 3x 6x 2. Multiply 1 X 2 2 3 3. Divide 2 ÷ 4 3 5

2. Operations with Rational Expressions: Simplifying, Multiplying, & Dividing. Friday, September 18, 2015

3. Rational Expressions are Fractions with variables.

4. Excluded Values With fractions, you can not have a denominator of zero because you can not divide by zero. Anything that makes a denominator of a Rational Expression zero is an Excluded Value.

5. Simplify Apply the properties of exponents and factoring polynomials.

6. Multiply 1. Simplify before you multiply. 2. Multiply the numerators. 3. Multiply the denominators. 4. See if you can simplify again. 5. Check for excluded values.

7. Divide 1. Multiply by the reciprocal. 2. Check for excluded values.

8. Practice! Classwork: Multiplying & Dividing Rational Expressions Odd Problems Homework: Multiplying & Dividing Rational Expressions Even Problems Also: Simplifying Rational Expressions Classwork assignment due 9/22/15