anonymous
  • anonymous
quadratic equation question.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
\[y ^{?}-80=0\]
anonymous
  • anonymous
and I was told the answer should be \[\sqrt{80} \] and\[-\sqrt{80}\] but my online assignment isn't letting me type it in this format. Anyone have any idea what the correction would be?
anonymous
  • anonymous
that's supposed to be a 2 not a ? after y

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anonymous
  • anonymous
Honestly, they're probably not asking for the negative one if it's only one answer. Try putting in 8.944. That's the value of sqrt(80).
anonymous
  • anonymous
it's looking for 2 answers actually. and it has to be in radical form
cherrilyn
  • cherrilyn
add 80 to the other side to get \[y ^{2}=80\] then get y alone by squarerooting. \[\sqrt{80} can be positive or negative\]
anonymous
  • anonymous
I'd check with your teacher, that answers definitely right.
cherrilyn
  • cherrilyn
maybe try putting in + or - sqrt(80) ?
anonymous
  • anonymous
it's 2 different boxes for the answers. hmm. yeah. idk why it's not working but i'll maybe just move on to the next. Thanks

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