Question 71081
y=-2x+4 through (6,-6)
-6=6*-2+b
-6=-12+b
b=-6+12
b=6 thus this line equation is 
Y=-2X+6
{{{ graph( 300, 200, -10, 10, -10, 10, y = -2x +6) }}} (graph 300x200 pixels, x from -10 to 10, y from -10 to 10, y = -2x +6).