I know for this kind of problem I should set the equation equal to the values of k but I don't know how to interpret that Information. To that end here is a screen shot of the problem.
http://i218.photobucket.com/albums/cc73/Sarge525/curves.jpg
I am mainly trying to understand what causes the circle to bow out in some instances and then also what causes it to have a dot in the center.
http://i218.photobucket.com/albums/cc73/Sarge525/curves.jpg
I am mainly trying to understand what causes the circle to bow out in some instances and then also what causes it to have a dot in the center.