Question 473191
  <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.  
write an equation for slope=2/5 and passes through (5,7)
  y =(2/5)x + b
  7 = (2/5)*5 + b
  5 = b
 y = (2/5)x + 5

{{{drawing(300,300,    -10,10,-10,10,  grid(1),
circle(5, 7,0.3),
graph( 300, 300,   -10,10,-10,10,  0,.4x+5))}}}