College Algebra (6th Edition)

Published by Pearson
ISBN 10: 0-32178-228-3
ISBN 13: 978-0-32178-228-1

Chapter 5 - Systems of Equations and Inequalities - Exercise Set 5.2 - Page 537: 2


Yes, the ordered pair is a solution.

Work Step by Step

Plug in the given values to the variables to test if they are a solution to the system. $(5,-3,-2)$ $x+y+z=0$ $5-3-2=0$ $0=0$ $x+2y-3z=5$ $5+2(-3)-3(-2)=5$ $5-6+6=5$ $5=5$ $3x+4y+2z=-1$ $3(5)+4(-3)+2(-2)=-1$ $15-12-4=-1$ $-1=-1$ yes
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