Answer
The student mixed up the values of the variables (and put the value of $x$ where $y$ belonged).
Work Step by Step
$y<3x+2$
$-1 < 3*-2+2$
$-1 < -6+2$
$-1 < -4$ (false statement)
The given point is not a solution, as $-1 > -4$.
Algebra 1
by Hall, Prentice
Published by
Prentice Hall
ISBN 10:
0133500403
ISBN 13:
978-0-13350-040-0
Chapter 6 - Systems of Equations and Inequalities - Chapter Test - Page 407: 17
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