Determine whether the given equation is a circle, a point, or a contradiction (no real graph).
x^2 + y^2 - 2 x - 16 y + 52 = 0 .
The equation is a
. (Enter "circle", "point", or "contradiction" in the answer space without quotes.)
x^2 + y^2 - 2 x - 16 y + 52 = 0 .
The equation is a
. (Enter "circle", "point", or "contradiction" in the answer space without quotes.)