1. Write a Fortran program that, given two points (-1,Y) and (22, Y2) (obtained from the user), computes and displays the slope-intercept form of the line pass- ing through the two points, ie. y = mx +b. For example, if (3, 4) and (7,9) are entered, the output of your program may look like: Equation: y = -1.25 x + 0.25 In the case of a vertical line, the output of your program may look like: Line is vertical Equation: x = 2.0 In the case of a horizontal line, the output of your program may look like: Line is horizontal Equation: y = 4.0