Respuesta :

(7, 1) and (1,8)
slope = (8 - 1)/(1-7) = -7/6

so
y - 1 = -7/6(x - 7)
y - 1 = -7/6 x + 49/6
y = -7/6 x + 55/6

answer
A. first one

y = -7/6 x + 55/6