Perpendicular lines are lines that intersect at right angles. ... We can write the equation of a line perpendicular to a given line if we know a point on the line and the equation of the given line. Example : Write the equation of a line that passes through the point (1,3) and is perpendicular to the line y=3x+2 .
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Perpendicular lines are lines that intersect at right angles. ... We can write the equation of a line perpendicular to a given line if we know a point on the line and the equation of the given line. Example : Write the equation of a line that passes through the point (1,3) and is perpendicular to the line y=3x+2 .