7.2 Multiplying Polynomials - WordPress.com · 2018-03-07 · 7.2 Multiplying Polynomials We have...
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7.2 Multiplying Polynomials We have no learned how to classify and add/subtract polynomials, lets learn how to multiply! Example 1: Multiplying Binomials Using Distributive Property a) !(! + 5) b) (! + 3)(! − 4) Example 2: Multiplying Binomials Using a Table Find (2! − 3)(! + 5) Using the FOIL Method
Transcript of 7.2 Multiplying Polynomials - WordPress.com · 2018-03-07 · 7.2 Multiplying Polynomials We have...
7.2MultiplyingPolynomials
Wehavenolearnedhowtoclassifyandadd/subtractpolynomials,letslearnhowtomultiply!
Example1:MultiplyingBinomialsUsingDistributiveProperty
a)!(! + 5) b)(! + 3)(! − 4)
Example2:MultiplyingBinomialsUsingaTable
Find(2! − 3)(! + 5)
UsingtheFOILMethod
Example3:MultiplyingBinomialsUsingtheFoilMethod
a) (! − 3)(! − 6)b)(2! + 1)(3! − 5)
Example4:MultiplyingaBinomialandaTrinomial
CanyouuseFOIL?Why?
Find(! + 5)(!, − 3! − 2)
Example5:SolvingaReal-LifeProblem
InHockey,agoaliebehindthegoallinecanonlyplay
apuckinthetrapezoidregion(Crease).
a) Writeapolynomialthatrepresentstheareaofthetrapezoidalregion.
b) Findtheareaofthetrapezoidalregionwhentheshorterbaseis18ft.
Homework:3,9,11,15,25,26,31,33,35,41,44,50