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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(2x) H.W. p.55 111
Oct 28:18 AM 2 ...
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