Question 114838
y=3x+1 (red line)
y=3x+2 (green line)
{{{ graph( 300, 200, -6, 5, -10, 10, y = 3x +1, y = 3x +2) }}} (graph 300x200 pixels, x from -6 to 5, y from -10 to 10, of TWO functions y = 3x +1 and y = 3x +2).
the equality is in the slope. they both have a slope of 3.