Question 235425
Slope=(y2-y1)/(x2-x1)=(-4-8)/(-3-4)=-12/-7=12/7
8=12/7*4+b
8=48/7+b
b=8-48/7
b=56/7-48/7
b=8/7 the y intercept.
y=12x/7+8/7
{{{ graph( 300, 200, -6, 5, -10, 10, 12x/7 +8/7) }}} (graph 300x200 pixels, x from -6 to 5, y from -10 to 10, 12x/7 +8/7).