Which of the following points is a solution to the system of linear inequalities
Which of the following points is a solution to the system of linear inequalities?
{2x+y<-5
{-x+y>0
A.
(4, 1)
B.
(–4, –1)
C.
(–8, –21)
D.
(8, 11)
ANSWERS
2016-04-13 23:34:32
for it to be a solution, it has to satisfy both inequalities... subbing in (-4,-1) 2x + y < -5 -x + y > 0 2(-4) - 1 < - 5 -(-4) - 1 > 0 -8 - 1 < -5 4 - 1 > 0 -9 < -5.....true 3 > 0....true solution is (-4,-1)
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