Question 879234
-y^2 + 12y - 19=18x - x^2
x^2 - 18x - y^2 + 12y = 19
(x-9)^2 - (y-6)^2 = 19 + 81 - 36
(x-9)^2 - (y-6)^2 = 64
(x-9)^2/64 - (y-6)^2/64 = 1  Hyperbola C(9,6)