Algebra 2 (1st Edition)

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

Chapter 3 Linear Systems and Matrices - 3.5 Perform Basic Matrix Operations - 3.5 Exercises - Mixed Review - Page 193: 47

Answer

$(3,-9)$ is a solution.

Work Step by Step

We are given: $-8x-3y\lt5 $ Plug in $(-1,1)$: $-8(-1)-3(1) \lt 5 $ $5\lt 5 \rightarrow$ false Plug in $(3,-9)$: $-8(3)-3(-9) \lt 5 $ $3\lt 5 \rightarrow$ true $(3,-9)$ is a solution
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