Which equation of the line is shown on this graph? Enter your answer in the box

[tex]\text{The vertical line has the equation} x = a,\ a\in\mathbb{R}[/tex]
[tex]\text{We have the points}\ (-2,\ 2)\ \text{and}\ (-2,\ -3)\\\\x\ \text{x at both points is -2, therefore your answer is}\\\\\boxed{x=-2}[/tex]