(-1,4) and (3,0) find the slope
step 1
Find the slope
m=(0-4)/(3+1)
m=-4/4
m=-1
step 2
Find the equation in slope intercept form
y=mx+b
we have
m=-1
point (3,0)
substitute
0=-1*(3)+b
solve for b
0=-3+b
b=3
the equation is equal to
y=-x+3
so
the y-intercept is the point (0,3)