Question 448870
  <pre><font face = "Tohoma" size = 4 color = "indigo"><b> 
Hi,
Using the point-slope formula, {{{m =(y[2] - y[1])/(x[2] - x[1])}}}
 (4,3)
(0,-5)  m = 8/4 = 2
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 = 2x + b  
 3 = 2*4 + b
-5 = b
 y = 2x -5 
{{{drawing(300,300,   -6, 6, -6, 6, grid(1),
circle(4, 3, 0.3),
circle(0, -5,0.3),
graph( 300, 300, -6, 6, -6, 6,0,2x-5 ))}}}