Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 9 - Quadratic Functions and Equations - 9-6 The Quadratic Formula and the Discriminant - Got It? - Page 585: 3


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Work Step by Step

a) $x^2-8x+12=0$ Factoring; the equation is easily factored. b) $169x^2=36$ Square roots; there is no x-term. c) $5x^2+13x-1=0$ Quadratic formula, graphing; the equation cannot be factored easily.
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