Question

How do I convert the equation `9x^2−y^2+54x+10y+55=0` to standard form?

Answer 1

`a = 1/3, b = 1, h = -3, k = 5`

Explanation:

`(3x + 9)^2 - 81 - (y - 5)^2 + 25 = - 55`

`9 (x + 3)^2 - (y - 5)^2 = 1`

`(x - h)^2/a^2 - (y-k)^2/b^2 = 1`