Question

Is (-8, 7) a solution to this system of inequalities?
yzx +7
yzax - 7 7
-1
-
4
yes
no

Answer 1

7>= -1/2(-8) +7
well
-1/2(-8)=4
4+7=11
is 7 greater than or equal to 11? NO.
so without even plug in for the next equation, you can select NO.