Algebra 2 (1st Edition)

Published by McDougal Littell
ISBN 10: 0618595414
ISBN 13: 978-0-61859-541-9

Chapter 5 Polynomials and Polynomial Functions - 5.6 Find Rational Zeroes - Guided Practice for Example 1 - Page 371: 2

Answer

$\pm 1,\pm2,\pm 3,\pm 6,\pm\frac{1}{2},\pm\frac{3}{2}$

Work Step by Step

We are given the polynomial function: $$f(x)=2x^3+3x^2-11x-6.$$ First determine the factors of the constant term: $$\pm 1, \pm 2, \pm 3, \pm 6.$$ Then determine the factors of the leading coefficient: $$\pm 1,\pm 2.$$ The possible rational zeros are: $$\pm\dfrac{1}{1},\pm\dfrac{2}{1}, \pm\dfrac{3}{1},\pm\dfrac{6}{1}.\pm\dfrac{1}{2},\pm\dfrac{2}{2},\pm\dfrac{3}{2},\pm\dfrac{6}{2}$$ Simplify to obtain the simplified list of possible rational zeros: $$\pm 1,\pm2,\pm 3,\pm 6,\pm\dfrac{1}{2},\pm\dfrac{3}{2}.$$
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