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Forums
Mathematics
General Math
Polynomial degree and root relationship
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[QUOTE="jedishrfu, post: 6010165, member: 376845"] Here's the Khan Academy discussion on it: [URL]https://www.khanacademy.org/math/algebra2/polynomial-functions/fundamental-theorem-of-algebra/v/possible-real-roots[/URL] It has to do with non-real roots coming in conjugate pairs that cancel out the imaginary part of the when multiplied together so there won't be any coefficients in the polynomial that have imaginary components ie the polynomial will have only real coefficients and won't have any complex or imaginary coefficients. Graphically, how many times can it cross the x-axis (ie at y=0)? Each of those crossings is a real root of the equation. [/QUOTE]
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Polynomial degree and root relationship
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