# Pre-calc

posted by
**Maya**
.

Heres the equation

y^2 -4x^2 +8x=20

For the center i got (-1,0)

For the vertices i got (-1,4), (-1,-4), (1,0), (-3,0)

And how do you find the foci?

posted by
**Maya**
.

Heres the equation

y^2 -4x^2 +8x=20

For the center i got (-1,0)

For the vertices i got (-1,4), (-1,-4), (1,0), (-3,0)

And how do you find the foci?