Respuesta :

To find the y-intercept, use x=0 in the equation. 
First equation:
for x=0 we get by=a, then answer y=a/b.
Second equation:
For x=0, we get ay=c then y=c/a.
Third equation:
for x=0, by=c then y=c/b.
Fourth equation:
For x=0, ay=b then y=b/a.
mfpiac12
(0,a/b)
(0,c/a)
(0,c/b)
(0,b/a)