Algebra Ch 40: Hyperbolas (9 of 10) Is Equation an Ellipse, Hyperbola, or Circle?

To donate:

We will learn how to tell from looking at equations like:
1. 25^2+50x+4y^2-8y-71=0
2. x^2-2x-y^2+2y-16=0
3. x^2+2x+y^2-8y+16=0
and know if we're looking at a circle, ellipse, or hyperbola.

Next video in this series can be seen at:

[comicrelief]

Your diligence in making these videos is pretty awesome.

[aqilshah]

Why you add the word '"wonderful" to your wife...😀😀😀😁😁