EmmaH
how to check inequakitry problems please please help?
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EmmaH
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inequality
RyanL.
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Plug in an order pair and see if it makes sense.
EmmaH
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how does that work can you give ke an example please?
RyanL.
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Well it's kinda hard. Can you post the inequality that you are having problems with
EmmaH
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ok ill post one..
EmmaH
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EmmaH
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@RyanL. ??
RyanL.
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Will the inequality says that x<3.8
This means that X HAS TO BE lower than 3.8 in order to be true!
RyanL.
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x<3.8 means
x is less than 3.8
EmmaH
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yes but what do i do to9 check them?
RyanL.
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What do you mean by check? Do you mean graph it?
EmmaH
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well i have to make a weird equation to check it like this {x}x≤18}
EmmaH
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that example is the not the checking equation for the above problem
EmmaH
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@RyanL.
EmmaH
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sooo confused:( i have to get this done..
elisichi
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Well , I am not 100 % sure, but when you check an inequality, it makes sense to substitute in a value for x. In this case, you could do 3.8. It would look like this:
\[-10(3.8)\ge -38\] This is true.
You might want to check this for further explanation:
http://www.youtube.com/watch?v=9Aw6NO60NxU
EmmaH
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alright thanks!
elisichi
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No problem! :D