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1 Notes 32 Multiplying Polynomials Objectives: Multiply polynomials Use binomial expansion to expand binomial expressions that are raised to a positive integer powers Who uses this? Business managers can multiply polynomials when modeling total manufacturing costs.

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Page 1: Notes 32 Multiplying Polynomials - Wando High Schoolwandohigh.ccsdschools.com/UserFiles/Servers/Server_2879574/File... · 1 Notes 32 Multiplying Polynomials Objectives: Multiply polynomials

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Notes 3­2 Multiplying Polynomials

Objectives:

­ Multiply polynomials

­ Use binomial expansion to expand binomial expressions that are raised to a positive integer powers

Who uses this?

Business managers can multiply polynomials when modeling total manufacturing costs. 

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Distribute!!

In case you missed it the first time....

Distribute!!!Foil is dumb

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Multiplying a monomial and a polynomial

Ex. Find each product.

a. 

b. 

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Try these:

Ex. Find each product

a.

b. 

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Multiplying Polynomials

Ex. Find each product

a.

b. 

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Try these:

Ex. Find each product.

a.

b. 

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Ex. Mr. Silva manages a manufacturing plant. From 1990 through 2005, the number of units produced (in thousands) can be modeled by N(x) = 0.02x2 ­ 0.2x + 3. The average cost per unit (in dollars) can be modeled by C(x) = ­0.002x2 ­ 0.1x + 2, where x is the number of years since 1990. Write a polynomial T(x) that can be used to model Mr. Silva's total manufacturing costs. 

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Expanding a Power of a Binomial

Ex. Find the product

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Ex. Expand each expression

a. 

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Ex. Expand each expression

a. 

b. 

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Try these:

Ex. Expand each expression

a.

b.

c.