Mathematics
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OpenStudy (anonymous):
Which of the solution sets is all real numbers?
|x| < -1
|x| = -1
|x| > -1
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OpenStudy (anonymous):
@cantthink96
OpenStudy (skullpatrol):
Any ideas @Cweezie23 ? you need a good idea to get a good answer :)
OpenStudy (anonymous):
This is definitely different.
OpenStudy (anonymous):
not a clue @skull
OpenStudy (skullpatrol):
What is the definition of the absolute value of a number?
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OpenStudy (anonymous):
the absolute value of a number is the distance the number is from zero
OpenStudy (skullpatrol):
Yes, can "distance" ever be negative?
OpenStudy (anonymous):
yes i belive
OpenStudy (anonymous):
Unfortunately you cant be negative inches feet centimeters or anything away from something.
OpenStudy (skullpatrol):
Explain your belief @Cweezie23
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OpenStudy (anonymous):
oh yah true duh sorry im stupid lol
OpenStudy (anonymous):
if you walk behind something, you are still a positive distance
OpenStudy (anonymous):
yah true @cantthink96
OpenStudy (skullpatrol):
So, by definition, |x| must be a positive number, correct?
OpenStudy (anonymous):
correct
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OpenStudy (skullpatrol):
So we can replace |x| with "positive" in
|x| < -1 or positive < -1
|x| = -1 or positive = -1
|x| > -1 or positive > -1
OpenStudy (anonymous):
so is it #2
OpenStudy (skullpatrol):
Nope.
OpenStudy (skullpatrol):
Is -1 positive?
OpenStudy (anonymous):
no
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OpenStudy (skullpatrol):
Then that statement is false.
OpenStudy (anonymous):
so the answer would be the one greatter than -1
OpenStudy (anonymous):
which i thinkk is |x| > -1
OpenStudy (anonymous):
@MathLegend help..am i even close to right
OpenStudy (mathlegend):
You are correct... any and all positive numbers are greater than a negative one... right? :)
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OpenStudy (anonymous):
yes
OpenStudy (anonymous):
Hey mathlegend, you're everywhere.
OpenStudy (skullpatrol):
Thanks for trying to understand :)