anonymous
  • anonymous
need help finishing up this quadratic equation!
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
\[-7y ^{2}+4y-2=0\]
anonymous
  • anonymous
I am at \[-4 + or - \sqrt{-40} \over -14\] Any one able to help me with where to go from here? and whether this is correct or not?
anonymous
  • anonymous
it doesn't look right since you suppose to have a real number. Can you please show us the original function.

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anonymous
  • anonymous
I checked it and it's right. The only thing I can see to do is that radical... It would come out as 2 times the root of ten.
anonymous
  • anonymous
would the 2 and 10 be positive or negative?
anonymous
  • anonymous
sorry, 2i times the root of ten (:
anonymous
  • anonymous
okk awesome. Thanks. is the denominator positive 14 then? so my 2 answers would be, \[-4+ or - \sqrt{2i} over 14\] and the second answer would be the same, except root 10 instead of 2?
anonymous
  • anonymous
sorry, I just am not sure exactly what the answer should look like, i have to answer it in an online assignment and i wanna make sure to get the right format
anonymous
  • anonymous
\[-4 + or - 2i \sqrt{10}\over -14\]
anonymous
  • anonymous
sorry it took so long. But this counts as two answers since it's + or - as well.
anonymous
  • anonymous
that's ok. thanks!
anonymous
  • anonymous
yup :D
anonymous
  • anonymous
and are they non real?
anonymous
  • anonymous
since theres a negative number i assume so
anonymous
  • anonymous
i'm not quite sure but i'd say since there's an imaginary number in there, it's nonreal.

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