Question 416228
  <pre><font face = "Tohoma" size = 4 color = "indigo"><b>
Hi
Using the standard slope-intercept form for an equation of a line y = mx + b
  where m is the slope and b the y-intercept.  
y = 3x -6    |slope m = 3/1  y=intercept Pt(0,-6)
Note: as y increases/decreases by 3, x increases/decreases by 1
Pt(0,-6) and according to slope Pt(1,-3) and (2,0) are also on this line
CHECKING our Answer***
{{{drawing(300,300,  -15,15,-15,15, grid(1),
circle(1, -3,0.6),
circle(2, 0,0.6),
circle(0, -6,0.6),
graph( 300, 300, -15,15,-15,15,0,3x-6))}}}