February 22, 2017

Homework Help: Algebra II-Please check fpr explanation

Posted by Graham on Saturday, January 14, 2012 at 5:34pm.

I have a question concerning this problem:I just want to make sure my formulas are correct before I do problem
It is a hyperbola equation
(y-4)^2/49 - (x-6)^2/72 = 1
1.It is a vertical hyperbola, correct?
2. the a^2 is 49, correct?
3. the b^2 is 72, correct?
4. I find the foci by a^2 + b^2 = c^2, and when I have the square root of "c^2" it would be ( "h" which is 6 in this case, k which is 4 +-whatever "c" ended up to be, correct?
5.Vertices for vertical hyperbola is (h,k+-a), correct

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