Hyperbolas, comic sections

So I have this equation: 36x^2-121y^2=49

Which I rearranged to 36x^2/49-121y^2/49=1

So I want to go from here and find the eccentricity,foci,asymptotes etc...

But I'm getting myself confused. Since my equation is of the form x^2/a^2-y^2/b^2=1

Both a and b would be 7^2... which makes my eccentricity e=sqrt(1+49/49) but this is at odds with the software I'm using to practice this.

Which part am I getting myself tied up with?

Thank you!

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1. Dont worry I figured out my own stupidity! Sorry everyone.

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posted by Mat

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