# The equation of a line that is perpendicular to the x-axis and passes through the point (2, -1).

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justaguide | Certified Educator

A line that is perpendicular to the x-axis is a vertical like with a slope equal to infinity. A line parallel to it would have the same slope and will also be a vertical line perpendicular to the x-axis. As the line passes through the point (2, -1) its equation is x = 2.

**The equation of the required line is x - 2 = 0**