Topics for Today:
We will now encounter polynomials in our fractions. A rational expression is just a ratio (fraction) with polynomials in the numerator and denominator. When we want to simplify these fractions, we follow the same rules as for regular fractions: we need to divide out common factors from the numerator and denominator. In order to simplify, we need to look at the greatest common factor (GCF) as well as other factoring tools. We will factor both the numerator and denominator, and then see if we have any common factors that simplify to 1.
Sections Covered in Textbook:
12-3: Simplifying Rational Expressions (pages 652-656)
Resources & Tutorials:
1) What is a rational expression?2) Simplify Rational Expressions by factoring
3) Simplifying Rational Expressions by using opposite binomials
4) Simplifying Rational Expressions Class Notes
5) Recording of today's lesson (see Google Classroom for password)
6) List of Exam Review Topics
Assignments:
1) Simplifying Rational Expressions Worksheet2) Review for your Exam on Delta Math
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