Question 197721
y=3x-2 (RED LINE)
slope=3.
y=-2x+1 (GREEN LINE)
slope=-2
{{{ graph( 300, 200, -6, 5, -10, 10, 3x -2, -2x +1) }}} (graph 300x200 pixels, x from -6 to 5, y from -10 to 10, of TWO functions 3x -2 and -2x +1).