If the perpendicular bisector of the line segment joining the points $P ( 1,4 )$ and $Q ( k , 3 )$ has $y$-intercept equal to $-4$, then a value of $k$ is: (1) $-2$ (2) $-4$ (3) $\sqrt { 14 }$ (4) $\sqrt { 15 }$
If the perpendicular bisector of the line segment joining the points $P ( 1,4 )$ and $Q ( k , 3 )$ has $y$-intercept equal to $-4$, then a value of $k$ is:\\
(1) $-2$\\
(2) $-4$\\
(3) $\sqrt { 14 }$\\
(4) $\sqrt { 15 }$