Use the Rational Roots Test to Find All Possible Roots -7x^4-12x^3+9x^2-17x+3

$- 7 x^{4} - 12 x^{3} + 9 x^{2} - 17 x + 3$

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.

$p = \pm 1, \pm 3$

$q = \pm 1, \pm 7$

Step 2

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

$\pm 1, \pm \frac{1}{7}, \pm 3, \pm \frac{3}{7}$

Use the Rational Roots Test to Find All Possible Roots -7x^4-12x^3+9x^2-17x+3

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