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Is the rational zero test (rational root theorem) always true?
DavidEvennett
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Jun 21, 2022
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Is the rational zero test (rational root theorem) always true?
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DavidEvennett
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Jun 21, 2022
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Well it is the RATIONAL root theorem. If a polynomial fails the test, then it is certain that there aren't rational roots. If it passes the test, it doesn't guarantee the presence of rational roots - it merely gives you the possibilities.
19940716Kouki
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Jun 21, 2022
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It works for rational zeros. If your equation has one rational zero, then synthetic division would give you the depressed quadratic eqn which can be solved using the quadratic formula.
CarlosVelasco1
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Jun 21, 2022
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Thus the name...
mkutch
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Jun 21, 2022
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mkutch
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