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hartnn Group TitleBest ResponseYou've already chosen the best response.2
know quadratic formula ?
 2 years ago

hartnn Group TitleBest ResponseYou've already chosen the best response.2
Compare your quadratic equation with \(ax^2+bx+c=0\) find a,b,c then the two roots of x are: \(\huge{x=\frac{b \pm \sqrt{b^24ac}}{2a}}\)
 2 years ago

Yahoo! Group TitleBest ResponseYou've already chosen the best response.0
\[\frac{ b \pm \sqrt{b^24ac} }{ 2a }\]
 2 years ago

InsanelyChaotic Group TitleBest ResponseYou've already chosen the best response.0
How do I apply that to this problem? Like i'm having trouble setting it up
 2 years ago

hartnn Group TitleBest ResponseYou've already chosen the best response.2
none of the options are correct b^24ac = 3628 = 8 so there should be sqrt 8 in options or sqrt 2
 2 years ago

hartnn Group TitleBest ResponseYou've already chosen the best response.2
couldn't u find, a,b,c ?
 2 years ago

InsanelyChaotic Group TitleBest ResponseYou've already chosen the best response.0
Those are the only options.......
 2 years ago

hartnn Group TitleBest ResponseYou've already chosen the best response.2
then your question must be incorrect
 2 years ago

hartnn Group TitleBest ResponseYou've already chosen the best response.2
also see your previous question
 2 years ago

hartnn Group TitleBest ResponseYou've already chosen the best response.2
for this its, (6+ sqrt 8)/2 = (3+ sqrt2)
 2 years ago

InsanelyChaotic Group TitleBest ResponseYou've already chosen the best response.0
Solve x2 + 6x + 7 = 0
 2 years ago

hartnn Group TitleBest ResponseYou've already chosen the best response.2
for that (3+ sqrt2)
 2 years ago

InsanelyChaotic Group TitleBest ResponseYou've already chosen the best response.0
Oh my goodnes!!!!1 I'm SO sorry
 2 years ago

InsanelyChaotic Group TitleBest ResponseYou've already chosen the best response.0
i see what occurred
 2 years ago

InsanelyChaotic Group TitleBest ResponseYou've already chosen the best response.0
the question is: Solve 3x2 + 4x = 2
 2 years ago

hartnn Group TitleBest ResponseYou've already chosen the best response.2
right, 3x^2+4x2=0 now apply the formula can u find,a,b,c first ?
 2 years ago

InsanelyChaotic Group TitleBest ResponseYou've already chosen the best response.0
3, 2, 4?
 2 years ago

hartnn Group TitleBest ResponseYou've already chosen the best response.2
dw:1352747869498:dw
 2 years ago

InsanelyChaotic Group TitleBest ResponseYou've already chosen the best response.0
a = 3 b = 4 c = 2
 2 years ago

hartnn Group TitleBest ResponseYou've already chosen the best response.2
yes. now what is b^24ac = ?
 2 years ago

InsanelyChaotic Group TitleBest ResponseYou've already chosen the best response.0
one moment
 2 years ago

InsanelyChaotic Group TitleBest ResponseYou've already chosen the best response.0
16  4(3)(2)???
 2 years ago

InsanelyChaotic Group TitleBest ResponseYou've already chosen the best response.0
four times a c? or four times a times c?
 2 years ago

hartnn Group TitleBest ResponseYou've already chosen the best response.2
yes, evaluate that
 2 years ago

InsanelyChaotic Group TitleBest ResponseYou've already chosen the best response.0
It equals 40
 2 years ago

hartnn Group TitleBest ResponseYou've already chosen the best response.2
yes, now put all values in formula and tell me what u get for x.
 2 years ago

InsanelyChaotic Group TitleBest ResponseYou've already chosen the best response.0
This is how I set it up: 4+sq root 4^24(3)(2)/2(3)
 2 years ago

InsanelyChaotic Group TitleBest ResponseYou've already chosen the best response.0
= 36
 2 years ago

InsanelyChaotic Group TitleBest ResponseYou've already chosen the best response.0
@hartnn
 2 years ago

hartnn Group TitleBest ResponseYou've already chosen the best response.2
x1=[4 + sqrt (40)] / (2*3) = ? x2=[4  sqrt (40)] / (2*3) = ?
 2 years ago

hartnn Group TitleBest ResponseYou've already chosen the best response.2
got that ^ ?
 2 years ago

InsanelyChaotic Group TitleBest ResponseYou've already chosen the best response.0
Yes!! :)
 2 years ago

hartnn Group TitleBest ResponseYou've already chosen the best response.2
got final answer then ?
 2 years ago

InsanelyChaotic Group TitleBest ResponseYou've already chosen the best response.0
3.7
 2 years ago

InsanelyChaotic Group TitleBest ResponseYou've already chosen the best response.0
13.4 for the second
 2 years ago

hartnn Group TitleBest ResponseYou've already chosen the best response.2
from the options ? 3.7 is not in options keep sqrt 40 as 2sqrt 10 only
 2 years ago

InsanelyChaotic Group TitleBest ResponseYou've already chosen the best response.0
option b
 2 years ago

hartnn Group TitleBest ResponseYou've already chosen the best response.2
absolutely correct! got it ?
 2 years ago

InsanelyChaotic Group TitleBest ResponseYou've already chosen the best response.0
YES!!!!!!!!!!!! It makes sense! why couldn't I see that on my own?? Thank you!!!!!!
 2 years ago
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