Intermediate Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-894-7
ISBN 13: 978-0-13417-894-3

Chapter 8 - Section 8.2 - The Quadratic Formula - Concept and Vocabulary Check - Page 607: 12

Answer

FALSE. The equation with solution set {$2,5$} is $(x - 2)(x - 5) = 0$.

Work Step by Step

FALSE Plug in the roots $𝛼=2$ and $𝛽=5$ to the quadratic equation: $x^2βˆ’(𝛼+𝛽)x+𝛼𝛽=0$ $x^2βˆ’(2+5)x+(2β‹…5)=0$ $x^2βˆ’7x+10=0$ which can be factored into: $(x-2)(x-5)$ $(x - 2)(x - 5) = 0$
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