00:01
Okay, so given information about this hyperbola, the vertices are at negative 2, 2, 2, and the foci are at negative 3 .3, let's find the equation of that hyperbola.
00:11
So first, let's figure out what's the transverse axis? well, since the vertices are on the y coordinate and the foci are also on the y coordinate, this is going to be a vertical transverse axis.
00:28
So our hyperbola is going to look like y squared over a squared minus x squared over b squared equals 1.
00:47
And from here we can solve for a in b.
00:52
Okay, so first thing i want to do is we can solve for a.
00:55
So where does the a value come from? the vertices or the foci.
01:01
Well, comes from the vertices.
01:05
My a value is just going to be, say i have positive and negative 2, it's going to be 2.
01:11
So my a squared is just 2 squared, which is 4.
01:19
So i automatically know that my a squared right here is just going to be 4...