Question 987480
Form for ellipse:
.
{{{(x-h)^2/a^2+(y-k)^2/b^2=1}}}
.
{{{9x^2+16y^2-144=0}}}
{{{x^2+(16y^2/9)-16=0}}}
{{{x^2/16+y^2/9-1=0}}}
{{{(x-0)^2/4^2+(y-0)^2/3^2=1}}}
.
ANSWER: An ellipse with center at origin.