which of the following inequalities matches the following graph? 2x + y < 7
2x − y > 7
2x + y < −7
The correct inequality is not listed
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OpenStudy (needhelpinalgebra):
OpenStudy (needhelpinalgebra):
@Qwertty123
OpenStudy (needhelpinalgebra):
@imqwerty
OpenStudy (needhelpinalgebra):
there you are.
OpenStudy (ijlal):
2x+y<7
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OpenStudy (needhelpinalgebra):
you sure?
imqwerty (imqwerty):
okay well we know that the point \((0,~0)\) is there included in the graph
so whatever the correct inequality is it must satisfy when we put the point \((0,~0)\) in it
so
in \((0,~0)\)
x=0 and y=0
putting x=0 and y=0 must satisfy the correct inequality
try putting it in all those options
the one which holds true on simplification is your answer! :)
OpenStudy (ijlal):
OpenStudy (ijlal):
OpenStudy (ijlal):
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OpenStudy (ijlal):
check out all three graphs and you can compare them with your question's graph :)
OpenStudy (needhelpinalgebra):
alrighty then. thanks guys!!!! i got a few more.... want me to open a new question or add them to this?
OpenStudy (ijlal):
just add them here if you wish :)
OpenStudy (needhelpinalgebra):
ok. got it.
OpenStudy (needhelpinalgebra):
x greater than or equal to −7
x less than or equal to −7
y less than or equal to −7
y greater than or equal to −7
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OpenStudy (needhelpinalgebra):
i think it is y less than or equal to -7....
OpenStudy (needhelpinalgebra):
@ijlal
OpenStudy (qwertty123):
XD Someone beat me to this! Sorry for being so late!
OpenStudy (needhelpinalgebra):
oh its fine, man. you can still help out with this one.
OpenStudy (ijlal):
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OpenStudy (ijlal):
the second option is right x less than or equal to −7
OpenStudy (ijlal):
i will post the rest other option's graph in a moment so you can see why were you wrong and why are those the answer to your question.
OpenStudy (ijlal):
OpenStudy (needhelpinalgebra):
What are you using? if i may ask
OpenStudy (ijlal):
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OpenStudy (ijlal):
OpenStudy (ijlal):
Now you can see that Option 1 , 3 ,4 are wrong and how :) that is why option 2 is correct :)
OpenStudy (ijlal):
I am using a software graphmatic download it from download.com :)
OpenStudy (needhelpinalgebra):
is that a download? if so, how can I find that?
OpenStudy (ijlal):
just download the software from download.com the name of the software is graphmatica
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OpenStudy (needhelpinalgebra):
cool
OpenStudy (needhelpinalgebra):
a few more, if you are up for it
OpenStudy (needhelpinalgebra):
x less than or equal to 0
x greater than or equal to 0
y less than or equal to 0
y greater than or equal to 0
OpenStudy (needhelpinalgebra):
the line is solid that runs along origin. shaded under the line.
OpenStudy (needhelpinalgebra):
@ijlal
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OpenStudy (ijlal):
what do you want me to do with this ? is there a graph that you forgot to post?
OpenStudy (ijlal):
@needhelpinalgebra i didnt understand you question completely did you forget to mention something that should we compare these 4 options with your graph?
OpenStudy (needhelpinalgebra):
hold on, brother.
OpenStudy (needhelpinalgebra):
OpenStudy (ijlal):
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OpenStudy (ijlal):
y less than or equal to 0 is the correct option :)