Algebra 2 (1st Edition)

Published by McDougal Littell
ISBN 10: 0618595414
ISBN 13: 978-0-61859-541-9

Chapter 3 Linear Systems and Matrices - 3.2 Solve Linear Systems Algebraically - 3.2 Exercises - Skill Practice - Page 165: 54c



Work Step by Step

Let $r=1,t=9$. Then if $(2,-3)$ is a solution (which is a good solution for the first equation), then $1(2)+s(-3)=9\\s=-\frac{7}{3}$ This is not a multiple of the first equation because the constant is the same, but the coefficients are different.
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