Given:-
The point (-5,17).
To find:-
The equation of the vertical line passing through the point (-5.17).
So to find the equation of the vertical line passing through the point (-5.17). we should know first that what axis does a vertical line describe.
To know that first we should know about vertical line.
The image of a vertical line is,
If this vertical line is in a graph then the line is marked by the value in the x-axis.
So to form a equation which passes through the given point (-5,17) and the vertical line denotes the x-axis.
So any vertical line passing through it,

So the equation of a line passing through the given point is,

So the required equation is x+5=0