Question 194938
Y=mX+b
5=-1*-3+b
5=3+b
b=5-3
b=2
Y=-X+2
{{{ graph( 300, 200, -6, 5, -10, 10, -x +2) }}} (graph 300x200 pixels, x from -6 to 5, y from -10 to 10, -x +2).