Ask your own question, for FREE!
Mathematics 21 Online
alones (alones):

Checkkk

OpenStudy (roxy.girl):

Check?

OpenStudy (agent0smith):

Chiggity check yourself

alones (alones):

Oh lol yea \[2x2+10x-19=0 \]

rebeccaxhawaii (rebeccaxhawaii):

0.o question?

alones (alones):

wait @agent0smith i have an answer waait

OpenStudy (agent0smith):

Discriminant? Just plug them in same as last time.

alones (alones):

I knwo lol here \[2x^2+10x-19=0 \] \[\frac{ -5+3\sqrt{7} }{ 2 },\frac{ -5-3\sqrt{7} }{ ? }\]

OpenStudy (roxy.girl):

oh you have to solve :)

OpenStudy (agent0smith):

Okay so not discriminant... quadratic formula Show your work then.

OpenStudy (agent0smith):

Wolfram alpha confirms you're correct.

alones (alones):

I did \[x=\frac{ -(10)\pm \sqrt{(10)^2-4(2)(-19)} }{ 2(2) }\]

alones (alones):

Whoa agent u where goodlin it up xP LOL x'D

OpenStudy (agent0smith):

Good job, and http://www.wolframalpha.com/input/?i=2x%5E2%2B10x%E2%88%9219%3D0

alones (alones):

Oh lol thanks, probably next time I’ll use wolfram._.

rebeccaxhawaii (rebeccaxhawaii):

only to review your answers. NO CHEATING 0.o OG

OpenStudy (agent0smith):

^yes.

alones (alones):

Ughh, i predicted that u'll say it 3

alones (alones):

*:3

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!