Write the equation for the ellipse centered at the origin with x -intercepts at 20 and −20 and foci located at (12,0) and (−12,0).

Answer 1

Equation of ellipse: x²/a² + y²/b² = 1, where a = 20 and c = 12, b² = a² - c² = 400 - 144 = 256.

So given ellypse is: x²/400 + y²/256 = 1