Question 175005
y=mx+b


First find the slope (m) using the difference of the y's over the difference of the x's.


{{{(0-(-4))/(4-0)}}}
{{{4/4}}}


so the slope is 1

y=x+b


Plug in one of the points, it doesn't matter which one.

0=4+b


Solve for b
b=-4


Answer:
y=x-4