Question 662146
  <pre><font face = "Tohoma" size = 3 color = "indigo"><b> 
Hi,
(7,4)
(5,5) m = -1/2   y = (-1/2)x + 15/2

(5,5)
(3,2) m = 3/2

(3,2)
(1,1) m = 1/2   y = (1/2)x + 1/2
These points are not ALL on the same line, if they were..the behavior of
change (change in y/change in x) going from point to point would be the same
{{{drawing(300,300,   -6, 10, -6, 10,   grid(1),
circle(1, 1,0.3),
circle(3, 2,0.3),
circle(5, 5,0.3),
circle(7, 4,0.3),
graph( 300, 300, -6, 10, -6, 10))}}}