Ask your own question, for FREE!
Mathematics 9 Online
OpenStudy (anonymous):

anyone here own a graphing calculator?

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

OpenStudy (anonymous):

Find roots until you can reduce the largest degree in x^2 via long division, mebbe.

OpenStudy (saifoo.khan):

http://www.geogebra.org/webstart/geogebra.html

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

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

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?

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!