Question 324199
Y=mX+b where m=slope & b= the Y intercept.
Y=-3X-7
m=-3 ans. for the slope 
b=-7 ans. for the Y intercept.
{{{ graph( 300, 200, -6, 5, -10, 10, -3x -7) }}} (graph 300x200 pixels, x from -6 to 5, y from -10 to 10, -3x -7).