Question

Bantuin noh pkai caranya ...

Answer 1

M1= 4-1 / -1-3
= 3/-4
       = - 3/4

tgk lurus
m2= 4/3

y-b= m2 (x-a)
y-1= 4/3 (x-3)
3y - 3 = 4x-12
4x-3y-9 = 0