Question 673762
  <pre><font face = "Tohoma" size = 3 color = "indigo"><b> 
Hi,
Use the standard slope-intercept form for an equation of a line y = mx + b
  where m is the slope and b the y-intercept.
 x + 2y = 4    0r   y = -(1/2)x + 2   || m = -1/2  and 2 is the y-intercept
{{{drawing(300,300,   -6, 6, -6, 6,   grid(1),
circle(0, 2,0.3),
circle(4, 0,0.3),
graph( 300, 300, -6, 6, -6, 6,0,-.5x+2))}}}