HINT: A line is perpendicular to a plane if it is parallel to the plane's normal.
Find the parametric equations for the line through the point P = (0, 1, -3) that is perpendicular to the plane
Use "t" as your variable, t = 0 should correspond to P, and the velocity vector of the line should be the same as the standard normal vector of the plane.
x = ?
y = ?
z = ?