Question

write the equation of the line joining the points (5,-3)and (1,1).

Answer 1

The equation of a line joining two points will be y-y1=m (x-x1) where m = (y2-y1)/(x2-x1). Here x1 is 5, y1 is -3 and x2 is 1 and y1 is 1. You can do the calculations by substituting the values