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

Breandan asked Jul 19, 2023

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21 votes

Is (-8, 7) a solution to this system of inequalities?

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

Breandan asked Jul 19, 2023

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26 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.

Ulvi answered Jul 24, 2023

by Ulvi

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