The perpendicular from the origin to a line meet at the point (-2,9), find the equation of the line.

The perpendicular from the origin to a line meet at the point (-2,9), find the equation of the line.

Sol: 

 

Keywords : Area of Triangle, CBSE, coordinate geometry, Geeks Networks, NCERT solved answers, slope of line, solved answers of mathematics of 12th class, Straight Lines,