2-1 - 2­1.notebook 2­1 Polynomials 5x6 2x5 ­ 3x4 x3 5x2 ­ 2x 5 Terms Leading coefficient Coefficients ­ other numbers Degree of polynomial Oct

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Unformatted text preview: 2­1.notebook November 18, 2010 2­1 Polynomials 5x6 + 2x5 ­ 3x4 + x3 + 5x2 ­ 2x + 5 Terms Leading coefficient Coefficients ­ other numbers Degree of polynomial Oct 2­8:02 AM Degree Name Example 0 1 2 3 4 5 constant 5 linear 3x + 5 quadratic 3x2 + 2x +5 cubic 5x3 ­ 2x2 + 5x ­ 2 quartic 3x4 ­ 2x3 + 3x2 ­ 2x quintic 4x5 +7 Oct 2­8:22 AM 1 2­1.notebook November 18, 2010 Zero of a polynomial is the solution when the polynomial is set equal to 0. They are also called the roots. f(x) = (6x2 + 3x ­ 1)/(2x + 1) This IS NOT a polynomial because it contains a variable in the denominator. Oct 2­8:15 AM Evaluating polynomial equations. Ex. f(x) = 2x2 ­ 3x Find f(3i) Find f(­2x) H.W. p.55 1­11 Oct 2­8:18 AM 2 ...
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This note was uploaded on 04/22/2011 for the course MATH 212 taught by Professor Owens during the Winter '07 term at Grand Valley State University.

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