# How do you find center, vertex, and foci of an ellipse #9x^2 + 25y^2 - 36x + 50y - 164 = 0#?

##### 1 Answer

Feb 15, 2016

Center of ellipse is

#### Explanation:

The equation

Dividing both sides 225, we get

Hence, Center of ellipse is

To find foci,