SOLUTION: Find the equation of the circle Center C(4, -1), tangent to the y-axis

Algebra ->  Circles -> SOLUTION: Find the equation of the circle Center C(4, -1), tangent to the y-axis      Log On


   

Question 457988: Find the equation of the circle
Center C(4, -1), tangent to the y-axis
Answer by robertb(5830) About Me  (Show Source):
You can put this solution on YOUR website!
Since the circle is tangent to the y-axis, the radius has to be 4. The standard form of the equation is then %28x-4%29%5E2+%2B+%28y%2B1%29%5E2+=+16.