Identify the type of conic section that has the equation 9x^2+ 25y^2 =225 and identify its domain and range.

Answer 1

9x^2+ 25y^2 =225
divide each term by 225
x^2/25 + y^2/9 = 1

ellipse, with a = 5 and b = 3

domain: -5 ≤ x ≤ 5
range: -3 ≤ y ≤ 3