## tholn one year ago Find an equation in standard form for the ellipse with the vertical major axis of length 16, and minor axis of length 10.

1. satellite73

is the center at the origin?

2. tholn

i think so

3. satellite73

|dw:1369756000425:dw|

4. tholn

so its x2/5+y2/8

5. satellite73

if that is the case, then it should be $\frac{x^2}{5^2}+\frac{y^2}{8^2}=1$

6. tholn

yay!!

7. satellite73

denominators should be 25 and 64 respectively