Question 13745
y-y=m(x-x) will work just fine
Your points are (-12,-18) and (-9,-6)
y = 4x+30
-18+6=m(-12+9)
-12=-3m
-12/-3=m
y+6=4*(x+9)
y+6=4x+36
y=4x+30
or are you saying
(12,18) and (9,6)
your y's are 18 and 6
your x's are 12 and 9
18-6=m(12-9)
12=3m
12/3=m
4=m
y-6=4*(x-9)
y-6=4x-36
y=4x-30