Question

find the slope and the value of c

1) D (-7, 2)
    E ( 5, -8)

Answer 1

m = (2-(-8)) / (-7-5) 
   = -5/6
y = -5/6 x + c

2 = - 5/6 * (-7) + c

c = 2 - 35/6 = - 23/6