anonymous
  • anonymous
If the quadratic formula is used to find the solution set of 3x2 + 4x - 2 = 0, what are the solutions?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
|dw:1370714002172:dw|
anonymous
  • anonymous
|dw:1370714026991:dw|
anonymous
  • anonymous
^ Possible answers.

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anonymous
  • anonymous
first one is right. if it is indeed sqrt(10)
anonymous
  • anonymous
that one looks funky :)
anonymous
  • anonymous
and its plus/minus sqrt(10) (not only plus)
anonymous
  • anonymous
Haha yeah its sqrt(10) and i forgot the minus part :)
anonymous
  • anonymous
Why is it that answer though? How'd you come to that?
anonymous
  • anonymous
@jumboabrfan you used quadratic formula in this? :o
anonymous
  • anonymous
Yeah, I think I'm supposed to.
anonymous
  • anonymous
LOL i solved it by quadratic formula but I'm not getting the same answer :/
anonymous
  • anonymous
Yeah, me either. I get 6.6666666667
cwrw238
  • cwrw238
a = 3, b = 4 and c = -2 x = [-4 +/- sqrt(4^2 - 4*3 *-2) ] / 2*3
anonymous
  • anonymous
^ That's what I did
anonymous
  • anonymous
@Euler271 How'd you get your answer?
anonymous
  • anonymous
Even I did the same @jumboabrfan
anonymous
  • anonymous
\[\frac{ -4 \pm \sqrt{40} }{ 6 } = \frac{ -4 \pm \sqrt{4}\sqrt{10} }{ 6 } \] divide everything by two: \[\frac{ -2 \pm \sqrt{10} }{ 3 }\]
cwrw238
  • cwrw238
x =[ -4 + sqrt(40)] / 6 . [ -4 - sqrt(40)] / 6
cwrw238
  • cwrw238
yep
anonymous
  • anonymous
Ohhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh. I get it. Thanks. :)
anonymous
  • anonymous
You sir a a genius.
anonymous
  • anonymous
glad we could help :)
anonymous
  • anonymous
Hahaha :D

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