anonymous
  • anonymous
Determine whether the equation defines y as a function of x. If it does, state y as a function of x x^2 + 9y^2 =1 y=?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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IsTim
  • IsTim
Are you to rearrange the equation so that "y" is by itself?
anonymous
  • anonymous
i think so
IsTim
  • IsTim
If so, subtract x^2 from both sides. Then divide both sides by 9. Afterwards, find the square root. Simple algebra.

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anonymous
  • anonymous
not simple, which is why i need help.
anonymous
  • anonymous
\[y=(+/-)\sqrt{x^2-9}\]
anonymous
  • anonymous
/9 i mean
anonymous
  • anonymous
nevermind.
IsTim
  • IsTim
Looks about it. Is everything on the right side divided by 9? Or just whats in the square root?
anonymous
  • anonymous
\[y=(+/-)\sqrt{(1-x^2)/9}\]
IsTim
  • IsTim
Ok. Looks good.
IsTim
  • IsTim
I'm still iffy on whether or not this is what's required for this question.
anonymous
  • anonymous
y as a function of x: y(x) =
IsTim
  • IsTim
Ok. If that's what you want. Good job.

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