Question 871726
(7,4)and 
(4,-1) m = 5/3   {{{m =(y[2] - y[1])/(x[2] - x[1] )}}}
***Using point-slope form, {{{y - y[1] = m(x - x[1])}}} P(4,-1)
y + 1 = (5/3)(x-4)
 y = (5/3)x-20/3 - 3/3
 y = (5/3)x - 23/3