Question 357463
x-intercept is (a,0) , and y-intercept is (0,b)


slope of the line is ___ (0 - b) / (a - 0) = -b/a


using point-slope (with y-int) ___ (y - b) = (-b/a)(x - 0) ___ y - b = -bx/a


dividing by b ___ (y/b) - 1 = -(x/a)


adding (x/a)+1 ___ (y/b) + (x/a) = 1