Answer
See below.
Work Step by Step
Using the ZERO function of a graphing utility we get: $ZERO(2x^2-3x-1)=-0.28078\approx-0.28$
College Algebra (10th Edition)
by Sullivan, Michael
Published by
Pearson
ISBN 10:
0321979478
ISBN 13:
978-0-32197-947-6
Appendix - Graphing Utilities - 3 Using a Graphing Utility to Locate Intercepts and Check for Symmetry - 3 Exercises - Page A6: 5
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