persamaan garis gambar disamping adalah,,,, matematika please jawab..

Titik (-6, 0);(0, -8)
x-x1/x2-x1=y-y1/y2-y1
x-(-6)/0-(-6)=y-0/-8-0
x+6/6=y/-8
-8x-48/6=y
y= -(4/3)x-8 (E)