## Happpily one year ago Help, please?

1. Happpily

write an equation in standard form of an ellipse centered at the origin with vertex (-5,0) and co-vertex (0,3)

2. Michele_Laino

we have to apply this formula: $\large \frac{{{x^2}}}{{{a^2}}} + \frac{{{y^2}}}{{{b^2}}} = 1$ where a= 5, and b= 3

3. Michele_Laino

|dw:1434141420635:dw|

4. Happpily

oh wow okay thank you so much!