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Published byMitchell Tyler Modified over 9 years ago

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Bell Problem Use direct substitution to evaluate the polynomial function for the given value of x: f(x)=5x 3 – 2x 2 + 10x – 15: x = -1

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5.3 Add, Subtract, and Multiply Polynomials Standards: 1.Understand how operations are related 2.Analyze situations using algebraic symbols

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Adding Polynomials *Combine like terms* a.Add 2x 3 – 5x 2 + 3x – 9and x 3 + 6x 2 + 11 in a vertical format

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b. Add 3y 3 – 2y 2 – 7y and -4y 2 + 2y – 5 in a horizontal format

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Subtracting Polynomials a. Subtract 3x 3 + 2x 2 – x + 7 from 8x 3 – x 2 – 5x + 1 in a vertical format

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b. Subtract 5z 2 – z + 3 from 4z 2 + 9z – 12 in a horizontal format

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Multiplying Polynomials a.Multiply -2y 2 + 3y – 6 and y – 2 a.Multiply x + 3 and 3x 2 – 2x + 4

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Ex. Multiply x – 5, x + 1, and x + 3

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Ex. Find the product: (xy - 4) 3

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Homework pg. 349 #8-20 even, 36, 42

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