The equation $2x^2+3y^2 -8x+18y +35=k$ represents

Question

$\begin{array}{1 1} no\;locus\;if \;k >0 \\ an \;ellipse\;if\;k<0 \\ a\;point \;if\;k=0 \\a\;hyperbola\;if\;k >0 \end{array} $