Answer
a, b, d
Work Step by Step
$(-1, 3, 1)$
$x+y+z=3$
$-1+3+1=3$
$3=3$ is true
$-x+y+z=5$
$-(-1)+3+1=5$
$1+4=5$ is true
$-x+y+2z=0$
$-(-1)+3+2*1=0$
$1+3+2=0$
$6\ne0$ not true
$x+2y-3z=2$
$-1+2*3-3*1=2$
$-1+6-3=2$
$5-3=2$ is true
Algebra: A Combined Approach (4th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321726391
ISBN 13:
978-0-32172-639-1
Chapter 9 - Section 9.1 - Solving Systems of Linear Equations in Three Variables and Problem Solving - Vocabulary and Readiness Check - Page 637: 1
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