SOLUTION: Find the equation of the circle if the circle is tangent to the line -x y 40 at the point 3-1 and the center is on the line x 2y-30?

Algebra ->  Circles -> SOLUTION: Find the equation of the circle if the circle is tangent to the line -x y 40 at the point 3-1 and the center is on the line x 2y-30?       Log On


   

Question 406033: Find the equation of the circle if the circle is tangent to the line -x y 40 at the point 3-1 and the center is on the line x 2y-30?
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
How is -x y 40 a line?
Or x 2y-30 ?