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...

Page 1: 7.2 Multiplying Polynomials - WordPress.com · 2018-03-07 · 7.2 Multiplying Polynomials We have no learned how to classify and add/subtract polynomials, lets learn how to multiply!

7.2MultiplyingPolynomials

Wehavenolearnedhowtoclassifyandadd/subtractpolynomials,letslearnhowtomultiply!

Example1:MultiplyingBinomialsUsingDistributiveProperty

a)!(! + 5) b)(! + 3)(! − 4)

Example2:MultiplyingBinomialsUsingaTable

Find(2! − 3)(! + 5)

UsingtheFOILMethod

Page 2: 7.2 Multiplying Polynomials - WordPress.com · 2018-03-07 · 7.2 Multiplying Polynomials We have no learned how to classify and add/subtract polynomials, lets learn how to multiply!

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

Page 3: 7.2 Multiplying Polynomials - WordPress.com · 2018-03-07 · 7.2 Multiplying Polynomials We have no learned how to classify and add/subtract polynomials, lets learn how to multiply!
Page 4: 7.2 Multiplying Polynomials - WordPress.com · 2018-03-07 · 7.2 Multiplying Polynomials We have no learned how to classify and add/subtract polynomials, lets learn how to multiply!