Find a Perpendicular Line Through a Point - Calculator


A calculator to find the equation of a line that is perpendicular to a given line and passing through a point.

How to use the calculator

1 - Enter the coordinates of the point through which the line passes.

2 - Enter a, b and c the coefficients of the the given line defined as follows.

$ a x + b y = c $

3 - press "enter". The answer is an equation, in slope intercept form, of the line perpendicular to the line entered and passing through the point entered .

The coordinates and coeficients may be entered as fractions, integers or decimals.(see examples below).



Point: ( , )



Line: x + y =




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