write the equation given the points (1,2) and (3,4)
(1,2)(3,4)slope = (4 - 2) / (3 - 1) = 2/2 = 1y = mx + bslope(m) = 1use either of ur sets of points...(1,2)....x = 1 and y = 2now we sub and find b, the y int2 = 1(1) + b2 = 1 + b2 - 1 = b1 = bso ur equation is : y = x + 1