Question 612500
  <pre><font face = "Tohoma" size = 3 color = "indigo"><b> 
Hi, 
circle with center (-4,2) that is tangent to the y-axis..then r = 4
 (x+4)^2 + (y-2)^2 = 4^2
{{{drawing(300,300,   -10,10,-10,10, 
 grid(1),
circle(-4, 2,0.4),
circle(-4, 2,4.0),
graph( 300, 300, -10,10,-10,10))}}}