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

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

yzx +7
yzax - 7 7
-1
-
4
yes
no

Is (-8, 7) a solution to this system of inequalities? yzx +7 yzax - 7 7 -1 - 4 yes-example-1
User Przemek
by
8.5k points

1 Answer

7 votes
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.
User Minorlogic
by
7.6k points
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