Question

Slope is - 3 And (0,-4) is on the line

Answer 1

I hope this helps you



x'=0 y'= -4



slope (x'-x)=y'-y



-3. (0-x)= -4-y


-3.-x= -4-y


3x= -4-y


y= -3x-4

Answer 2

the equation of a line that has slope m and passes through the point (x1,y1) is
y-y1=m(x-x1)

given
slope=-3
point=(0,-4)
x1=0
y1=-4

equaton is
y-(-4)=-3(x-0)
y+4=-3(x)
y+4=-3x