OpenStax, Algebra and Trigonometry 2e §5.5 Zeros of Polynomial Functions · Try It 9 · Algebra · Polynomials

Zeros of Polynomial Functions · Try It 9

Use Descartes’ Rule of Signs to determine the maximum possible numbers of positive and negative real zeros for $f (x) = 2 x^{4} - 10 x^{3} + 11 x^{2} - 15 x + 12.$ Use a graph to verify the numbers of positive and negative real zeros for the function.

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OpenStax, Algebra and Trigonometry 2e · §5.5 Zeros of Polynomial Functions · Try It 9

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