Use the Rational Roots Test to Find All Possible Roots 14x^3+17x^2-20x+4=0

$14 x^{3} + 17 x^{2} - 20 x + 4 = 0$

Step 1

If a polynomial function has integer coefficients, then every rational zero will have the form $\frac{p}{q}$ where $p$ is a factor of the constant and $q$ is a factor of the leading coefficient.

$p = \pm 1, \pm 2, \pm 4$

$q = \pm 1, \pm 2, \pm 7, \pm 14$

Step 2

Find every combination of $\pm \frac{p}{q}$ . These are the possible roots of the polynomial function.

$\pm 1, \pm \frac{1}{2}, \pm \frac{1}{7}, \pm \frac{1}{14}, \pm 2, \pm \frac{2}{7}, \pm 4, \pm \frac{4}{7}$

Use the Rational Roots Test to Find All Possible Roots 14x^3+17x^2-20x+4=0

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