# How do you find the foci and sketch the ellipse #x^2+1/4y^2=1#?

##### 1 Answer

Jan 14, 2017

Foci are at

#### Explanation:

The equation is in the standard form

The center is O. Major axis is aling y-axis.

The foci are at

graph{xy(x^2+y^2/4-1)(x^2+(y+1.732)^2-0.004)(x^2+(y-1.732)^2-0.004)(y-1.732)(y+1.732)=0 [-5, 5, -2.5, 2.5]}