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The example above was for quadratics, but similar thinking expands the pool to any polynomial with integer coefficients. The numerators of rational roots would have to be \( \vee \), and the denominators would have to be \( \vee \) to form the

Ask by Gibbs Ellis. in the United States
Jan 23,2025

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To find possible rational roots of a polynomial with integer coefficients, list all divisors of the constant term as numerators and all divisors of the leading coefficient as denominators. Then, form fractions by dividing each numerator by each denominator to get the possible rational roots.

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The Deep Dive

In exploring polynomials with integer coefficients, you can use the Rational Root Theorem to identify potential rational roots. The possible numerators must be factors of the constant term (the term without a variable) while the possible denominators must be factors of the leading coefficient (the coefficient of the highest degree term). This delightful strategy not only narrows down the contenders but also boosts your chances of finding those elusive roots! Making a list of the factors can sometimes lead to mistakes—especially when you forget to account for both positive and negative factors. So, double-checking your list is key! Additionally, remember that not all candidates will be roots, so it’s wise to test each one thoroughly. Polynomials can be tricky, but constructing a strong foundation with the Rational Root Theorem makes them much easier to tackle!

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