What coordinates determine the center of the hyperbola defined by the equation (x^2/25) - (y^2/16) = 1?

For hyperbolas in the standard form (x-h)^2/a^2 - (y-k)^2/b^2 = 1, the center is at (h, k). As it's (x^2 - y^2 = 1) with no h or k, the center is (0, 0).