x^2+8y^2+6x-16x+1=0
x^2+6x+9 +8(y^2-2y+1)=-1+9+1=9
(x+3)^2/9 + 8(y-1)^2/9
h=-3
i am supposed to get sqrt 14 but i just dont see how. Can somebody please explain to me why it is supposed to be sqrt 14? Thank You.
Can you finish?
The Following is copied from Jhevon's referenced post. This should finish things up nicely. Thanks Jhevon!!
<Quote=Jhevon>
The equation of an ellipse with a horizontal major axis can be expressed as
When in this form, the following hold:
Center:
Vertices:
Foci:
........where
<End Quote = Jhevon>