Use a graphing calculator to find all rational real roots of (x) = 2x* – 7x3 + 21x2 - 63x + 27. Then find the remaining roots (they may be irrational or imaginary) by using division, and write the èquation as a product of linear and quadratic factors. How many roots do you expect to find? Roots:

Algebra: Structure And Method, Book 1
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Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
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Chapter12: Quadratic Functions
Section12.2: Completing The Square
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Use a graphing calculator to find all rational real roots of (x) = 2x4-7x3 + 21x2 – 63x + 27 .
Then find the remaining roots (they may be irrational or imaginary) by using division, and write the
èquation as a product of linear and quadratic factors. How many roots do you expect to find?
Roots:
Transcribed Image Text:Use a graphing calculator to find all rational real roots of (x) = 2x4-7x3 + 21x2 – 63x + 27 . Then find the remaining roots (they may be irrational or imaginary) by using division, and write the èquation as a product of linear and quadratic factors. How many roots do you expect to find? Roots:
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