For how many integer values of k do the graphs of x^{2}+y^{2}=k^{2} and x y=k not intersect?
Answer Choices
A. 0
B. 1
C. 2
D. 4
E. 8
For how many integer values of k do the graphs of x^{2}+y^{2}=k^{2} and x y=k not intersect?
Answer Choices
A. 0
B. 1
C. 2
D. 4
E. 8