Positive and negative intervals of polynomials | Polynomial graphs | Algebra 2 | Khan Academy
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Positive and negative intervals of polynomials | Polynomial graphs | Algebra 2 | Khan Academy
Keep going! Check out the next lesson and practice what you’re learning: https://www.khanacademy.org/math/algebra2/x2ec2f6f830c9fb89:poly-graphs/x2ec2f6f830c9fb89:poly-intervals/e/positive-and-negative-intervals-of-polynomials If we know all the zeros of a polynomial, then we can determine the intervals over which the polynomial is positive ...
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