College Algebra (11th Edition)

Published by Pearson
ISBN 10: 0321671791
ISBN 13: 978-0-32167-179-0

Chapter 1 - Section 1.4 - Quadratic Equations - 1.4 Exercises: 9

Answer

$D,x=\frac{1}{3},x=7$

Work Step by Step

D is set up for direct use of the zero factor property since it is already factored from standard form. $(3x-1)(x-7)=0$ Use the zero factor property and set each equal to 0. $(3x-1)=0,(x-7)=0$ Solve each equation. $3x=1,x=7$ $x=\frac{1}{3},7$ Thus the answer is D.
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