Question 350024
  use the formula y2-y1=m(x2-x1)

-3+1/3=m(-1/4-1/4)
-8/3=m(-1/2)
m=16/3

standard formula ax+by=c

16/3=(y+3):(x+1/4)  => 3(y+3)=16(x+1/4) 3y+9=16x+4 =>-16x+3y=-5  =>16x-3y=5