Warm Up 9-1 Use long division to find the quotient and remainder for the problems below. 1. 3792 ÷ 52. 4296 ÷ 4.

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Presentation transcript:

Warm Up 9-1 Use long division to find the quotient and remainder for the problems below ÷ ÷ 4

Announcements Quiz Friday, Test Wednesday Homework 2.4 pg. 205 ◦Exercises #’s 1-24 even

Long and Synthetic Division When is it better to use each one? Answers in Polynomial Form ◦(Divisor)*(Quotient) +Remainder Fraction Form ◦Quotient + Remainder/Divisor

Remainder Theorem If a polynomial is divided by x-k, then the remainder is r = f(k). ◦Plug the zero into the function and you will get the remainder. What is the remainder when f(x)= 3x 2 + 7x – 20 is divided by the following? a) x – 2b) x + 1c) x + 4

Factor Theorem A polynomial function f(x) has a factor x – k if and only if f(k) = 0.

Homework 2.4 pg. 205 ◦Exercises #’s 1-24 even