Algebra and Trigonometry 10th Edition

Published by Cengage Learning
ISBN 10: 9781337271172
ISBN 13: 978-1-33727-117-2

Chapter 1 - 1.4 - Quadratic Equations and Applications - 1.4 Exercises - Page 113: 123



Work Step by Step

Write the quadratic as the product of two linear factors and the leading coefficient: $a(x-r_1)(x-r_2)=0$, where $r_1$ and $r_2$ are the solutions. $a(x-0)(x-4)=0~~$ (Make $a=1$ since it can be any real number except $0$) $x(x-4)=0$ $x^2-4x=0$ (general form)
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