1. Warm up: Factor & List which process(es) you used.

2. Homework Questions? Pg. 664 # 14 – 31

3. 12-1 Simplifying Rational Expressions Objective: To simplify rational expressions. Standard 12.0

4. Excluded Values Excluded Values: values that make the denominator zero (because we cannot divide by zero). Always find the excluded values BEFORE you cancel anything out. Examples: State the excluded values

5. Steps 1. Factor top and bottom of fraction separately 1. GCF 2. Binomial: Difference of 2 squares 3. Trinomial: X-Box, Perfect Square trinomial 2. Find excluded values (denominator 0) 3. Cancel out factors (what top and bottom have in common)

6. Example 1 Excluded values:

7. Homework Simplifying Fractions worksheet

8. Math Lab Warm up: Factor

9. Steps 1. Factor top and bottom of fraction separately 1. GCF 2. Binomial: Difference of 2 squares 3. Trinomial: X-Box, Perfect Square trinomial 2. Find excluded values (denominator 0) 3. Cancel out factors (what top and bottom have in common)

10. Excluded Values Excluded Values: values that make the denominator zero (because we cannot divide by zero). Always find the excluded values BEFORE you cancel anything out. Examples: State the excluded values