February 25, 2017

Homework Help: Algebra II

Posted by Jed on Friday, May 6, 2011 at 1:07am.

Could someone please tell me how to determine if the following indicate the foci are on the x-axis or the y-axis?
x^2/4 -y^2/16 = 1

x^2/49 - y^2/9 = 1

x^2/36 - y^2/16 = 1

please explain how to set the equations up
thank you

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