Mathematics
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OpenStudy (anonymous):
Which of the following ordered pairs is not a solution to the inequality y > -3x + 5?
(0, 6)
(2, 0)
(-1, 9)
(1, -1)
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OpenStudy (anonymous):
pick one... plug it in see if it gives a true statement...
OpenStudy (anonymous):
Oh. I feel stupid now.
OpenStudy (anonymous):
why?
OpenStudy (anonymous):
don't feel like that!
OpenStudy (anonymous):
Because I had no idea how to do it but that makes complete sense. I'm still confused on how to work it out though.
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OpenStudy (anonymous):
let's pick the first one... (0, 6)...
0 > -3(6) + 5
0 > -18 + 5
0 > -13
true or false?
OpenStudy (anonymous):
false.
OpenStudy (anonymous):
which is higher on the temperature scale, 0 degrees or -13 degrees?
OpenStudy (anonymous):
Oh it was a -13. 0 is higher.
OpenStudy (anonymous):
so true.
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OpenStudy (anonymous):
correct.. so that first one is the correct choice...:) blind luck...
OpenStudy (anonymous):
Doesn't it say which one isn't correct?
OpenStudy (anonymous):
or not a solution.
OpenStudy (anonymous):
oh... heheh... i need glasses...:)
OpenStudy (anonymous):
you sure you want my help? :)
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OpenStudy (anonymous):
lol. It's okay.
OpenStudy (anonymous):
Yes. lol.
OpenStudy (anonymous):
let's try the second one...
OpenStudy (anonymous):
2>-3(0)+5
OpenStudy (anonymous):
ok. simplified you get
2 > 5
true or false?
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OpenStudy (anonymous):
False.
OpenStudy (anonymous):
so that one is NOT a solution... :)
OpenStudy (anonymous):
Hehe yes NOT a solution,
Thanks (:
Can you help me with another one?. Please.
OpenStudy (anonymous):
sure...
OpenStudy (anonymous):
I'm going to post.
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OpenStudy (anonymous):
ok...