Question 912930
(10,8) and 
(8,10) 
m ={{{(y[1] - y[2])/(x[1] - x[2] )}}} = -2/2 = -1 
***Using point-slope form, {{{y - y[1] = m(x - x[1])}}}p(10,8)
y - 8 = -1(x - 10)
y = -x + 18