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Math Calculators
Rational Zeros Calculator
List every possible rational zero of a polynomial using the Rational Root Theorem.
Possible rational zeros
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Count
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About the Rational Zeros Calculator
The Rational Root Theorem says that any rational zero of a polynomial with integer coefficients must be a fraction p/q, where p is a factor of the constant term and q is a factor of the leading coefficient.
Formula: possible rational zeros = ±(factors of constant term) ÷ (factors of leading coefficient)
This produces a finite list of candidates that can each be tested (for example with synthetic division) to find the polynomial's actual rational roots.
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