Question 155795
Y=mX+b m=2, x=4 & y=3
3=2*4+b
b=3-8
b=-5 the y intercept.
y=2x-5
{{{ graph( 300, 200, -6, 5, -10, 10, 2x -5) }}} (graph 300x200 pixels, x from -6 to 5, y from -10 to 10, 2x -5).