1. Polynomials Algebra 1 Lesson 9-4 By: Thomas Parise

2. !!  Definitions  !! ~~~ Please copy into your notebook ~~~ ~Polynomials- monomial or sum of monomials ~Binomial- sum of two polynomials ~Trinomial- sum of three polynomials ~The degree of a polynomial is the greatest degree of each term. EX: 9xy +2 would =2 ~The degree of a monomial is the sum of the exponents of its variables

3. Example 1 determine if polynomial, monomial, and trinomial Step 1 ~ write problem 3a-7bc Step 2 ~ rewrite problem 3a+(-7bc) ~~It has two polynomials so it’s a monomial because it has two polynomials.

4. Example 2 Step 1 ~ write problem ~3x 2 + 7a -2 +a Step 2 ~ add like terms~3x 2 + 8a – 2 Since three different types it’s a trinomial because it has three polynomials.

5. More Questions find the degrees 3 ) 5+x 5 +3x 3 would be _____________ 4 ) abx 2 -bck+34-x 7 would be _____________ 5 )xy 5 -b+5-adx 12 would be _____________ 6 ) r+axy 7 -b+27would be _____________ 7 ) bx 5 +bx 12 would be _____________ 8 ) ab 2 +x 3 +ab 12 -x 5 would be _____________ 9 ) 24would be _____________ 10) 16x+12-xbwould be _____________

6. Any questions???? ~~~~~~~~~~Please ask now~~~~~~~~~~~ Thank you for watching my slideshow and go to Mrs.. Jaeger for tonight's homework ~~~ good luck!!!~~~ good luck with the next lessons!