Warmup Alg 2 19 Mar 2012

Warmup Alg 2 20 & 21 Mar 2012

Warmup Alg 2 22 Mar 2012

Agenda Don't forget about resources on mrwaddell.net Section 8.5: Adding rational expressions Adding rational expressions Subtracting rational expressions

Go over assignment from last class period

Section 8.5: Fractions are your friend

Adding Rational Expressions 1

Common or “Like” denominators Easy stuff. Just add or subtract the top! And reduce if possible

A more complex problem Step 1: you have Like D’s Step 3: add or subtract Step 2: combine them Step 4: reduce

Unlike Denominators

Unlike denominators Only one more step First, find common D. REMEMBER, you can always just multiply the D’s! Do the math, you know what to do! Factor and simplify.

Adding Simple Rational Expressions Step 1: Factor everything Step 3: Multiply the D’s Step 2: find the common denominator Step 4: Simplify

Adding Simple Rational Expressions Step 1: Factor everything Step 3: Multiply Step 2: find the common denominator Step 4: Simplify

Assignment Section 8.5: pg – 8, 16 – 23, 27 – 30