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Math Help - Hyperbola doubt?

  1. #1
    Member
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    Exclamation Hyperbola doubt?

    Reduce the equation  9x^2-4y^2-36x+16y-16=0 into standard form and identify weather the hyperbola is on the x axis (opens from the left and right) or the y axis (opens up and down).

    Attempt:
    I have reduced it into
     \frac{(x-2)^2}{4}-\frac{(y-2)^2}{9}=1

    & I guess it opens on the x axis.

    Am I correct?
    Thank you
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  2. #2
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    Hello, mj.alawami!

    Absolutely correct . . . Good work!

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