Question 633810
  <pre><font face = "Tohoma" size = 3 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.
Line with m = -2 and passing through Pt(2,-8)
Line
 y = -2x + b
 8 = -2·2 + b   |Using ordered pair (x,y):(2,8)  to solve for b
12 = b
 y = -2x + 12