Lilmike234
  • Lilmike234
Which of the following equations represents a degenerate ellipse? 9x^2 +4y^2 = 1 x^2 y^2 ---- + ---- = 2 14 19 x^2 y^2 ----- = (-) ---- 10 18 All of the above are degenerate ellipses.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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Loser66
  • Loser66
What do you think?
Lilmike234
  • Lilmike234
The third option
Loser66
  • Loser66
why?

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More answers

Lilmike234
  • Lilmike234
I honestly just guessed
Loser66
  • Loser66
ok, the first one is the formula of a circle \((3x)^2+(2y)^2=1\) That shows the last one is NOT the correct answer.
Loser66
  • Loser66
The third one is \(\dfrac{x^2}{10}=-\dfrac{y^2}{18}\) add \(\dfrac{y^2}{18}\) both sides, what do you get?
Lilmike234
  • Lilmike234
y^2 ?
Loser66
  • Loser66
nope it becomes \(\dfrac{x^2}{10}+\dfrac{y^2}{18}=0\) The standard formula of an ellipse has the right hand side =1, NOT =0, hence the third option is NOT the correct answer.
Lilmike234
  • Lilmike234
So it would be the first option right ?
Loser66
  • Loser66
the second one.
Lilmike234
  • Lilmike234
I was right it was the third option

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