Write about: What did you do over the LONG weekend? Starter – Day 5 December 1 Content Objective: We will be able to add and subtract rational expressions with 80 percent accuracy. Language Objective: We will be able to explain how to find a common denominator for rational expressions. Write about: What did you do over the LONG weekend?

Numbers, symbols, and operations grouped together to show the value of something. There is no equal sign. Example: 2x+6

Equation Example: 2+2 = 4 Example: 2x+1=7

are separated by + or − signs. Either a single number or a variable or numbers and variables multiplied together. are separated by + or − signs.

Factor

Rational Number

Irrational Number

An expression that is the ratio of two polynomials An expression that is the ratio of two polynomials. It is “rational" because one is divided by the other, like a ratio. Note: the polynomial in the denominator cannot be 0 (zero).

Remember: You can't divide by 0 (zero). Excluded Values Remember: You can't divide by 0 (zero).

Simplify each expression and state the excluded values.

Turn In: Today’s Assignment LAB Writing Explain how to find a common denominator for rational expressions. Turn In: Starter LAB Writing Polynomial Functions Review Book 3.1 and 3.2 Today’s Assignment Section 3.3 (pages 162-168)1-18, 20-38