Respuesta :

s1m1

Answer:

y=3x+18

Step-by-step explanation:

find the slope of the line with the formula m=(y1-y2)/(x1-x2) =-9-0/-9+6=-9/-3=3

then use the equation (y-y1)= m(x-x1) where you use slope m=3 and one of the points (y-0)=3(x+6), y=3x+18