Bell Ringer 9/21/15 1. Simplify 2x 2 6x 2. Add 1 + 2 2 3 3. Subtract 2 _ 4 3 5.

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Presentation transcript:

Bell Ringer 9/21/15 1. Simplify 2x 2 6x 2. Add Subtract 2 _ 4 3 5

Operations with Rational Expressions continued: Adding & Subtracting Monday, September 21, 2015

Remember… 1) Rational expressions are fractions with variables. 2) With fractions, you can not have a denominator of zero because you can not divide by zero. 3) Apply the properties of exponents and factoring polynomials.

Add 1. Get common denominators 2. Add the numerators 3. Simplify 4. Check for excluded values.

Subtract 1. Get common denominators 2. Add the opposite 3. Simplify 4. Check for excluded values.

Practice! Classwork: Adding & Subtracting Rational Expressions #1-20 Homework: Adding & Subtracting Rational Expressions #21-30 Also Remember: Simplifying Rational Expressions Classwork assignment due 9/22/15

Exit Ticket Explain, in paragraph form, how Rational Expressions are like fractions.