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5-3 Dividing PolynomialsObjectivesStudents will be able to:1) Divide polynomials using long division2) Divide polynomials using synthetic division
Example 1: Polynomial/Monomial
Ex 1B: Polynomial/MonomialSimplify.
Ex 1C: Polynomial/MonomialSimplify.
Apply Concepts1: Simplify!
1. 2.
Remember Long Division?
Polynomial Long Division
1) Rewrite the problem in long division form (if not already done).
2) In each polynomial, line the terms up in descending order, with respect to their degree.
3) Within the numerator (dividend), if a degree term is missing, add it in with a 0 coefficient.
Example: is missing the second degree term, so add it in.
Ex 2:Division Algorithm
6(z – 4) = 6z – 24
Ex 2B: Division
Ex 2C: Division
Ex 2D: Division
Ex 3: Quotient With RemaindersSimplify:
Ex 3B: Remainders
Ex 3C: Remainders
Synthetic DivisionSynthetic division: method of polynomial
long division using only the coefficients of the terms
In order to use synthetic division, the denominator (divisor) must be a first degree binomial, which takes on the form
Also, the coefficient on the first degree term of the divisor must be a 1.
Let’s examine the steps of synthetic division while working through a problem.
Synthetic Division
Synthetic Division
Ex 4:Synthetic Division
Ex 4B: Synthetic Division