Answer
The ordered pair is not a solution.
Work Step by Step
$2x-5=y\longrightarrow$ substitute -1 for x and 8 for y
$2(-1)-5\overset?=8$
$-2-5\overset?=8$
$-7\ne8\ X$
The ordered pair is not a solution.
Algebra 1
by Hall, Prentice
Published by
Prentice Hall
ISBN 10:
0133500403
ISBN 13:
978-0-13350-040-0
Chapter 3 - Solving Inequalities - 3-8 Unions and Intersections of Sets - Mixed Review - Page 220: 58
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