Question

On a graph paper, draw a line parallel to x-axis or y-axis. Write coordinates of any four points on the line. Write how the equation of the line can be obtaines from the coordinates.

Answer 1

we can obtain equation of line simply, by using( y-y1)=m(x-x1). where x1 ,y1 are co-ordinate points and m is slope of line. which is =0 in given question.