Mathematics
9 Online
OpenStudy (anonymous):
anyone here own a graphing calculator?
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OpenStudy (anonymous):
i need u to solve a problem for me if u have one?
OpenStudy (paxpolaris):
even google graphs function ... but shoot.
OpenStudy (anonymous):
WolframAlpha is better than a graphic calculator. Use it, but don't get addicted.
http://www.wolframalpha.com/
OpenStudy (anonymous):
do u know how to find the zeros of a quadratic function?
OpenStudy (anonymous):
By using the quadratic formula? (-b+/-sqrt(b^2-4ac))(2a)^-1
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OpenStudy (anonymous):
Find roots until you can reduce the largest degree in x^2 via long division, mebbe.
OpenStudy (anonymous):
Never saw this one before. So cool.
OpenStudy (saifoo.khan):
It's super cool. ;)
OpenStudy (anonymous):
anyone here i was gone for a minute
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OpenStudy (saifoo.khan):
Yes.
OpenStudy (anonymous):
y=x^2-6x+4 please find the zeros
OpenStudy (anonymous):
im sorry wrong one.. y=3x^2+2x-2
OpenStudy (saifoo.khan):
Do u want the decimal answer or the exact answer?
OpenStudy (anonymous):
round to the nearest tenth please
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OpenStudy (anonymous):
((-2)+-sqrt(4-24))/6
OpenStudy (saifoo.khan):
-1.2, 0.5
You can use the quadratic formula to solve though.
OpenStudy (anonymous):
Thanks so much can u please round to the nearest hundreth?
OpenStudy (saifoo.khan):
-1.22, 0.55
OpenStudy (anonymous):
so then it wud be .6?