Formula for slope = y2-y1/x2-x1 m = y2-y1/x2-x1 Lets suppose: (x1 , x2) = (1, 2) (y1 , y2) = (3, 8) putting the coordinates in the formula : m = ( 8-2 ) / (3-1) m = 6 / 2 m = 3 slope = 3 So according to above explanation, c. slope = 3, is the correct answer.
