Suppose that |x+y|+|x-y|=2. What is the maximum possible value of x^{2}-6 x+y^{2} ?
Answer Choices
A. 5
B. 6
C. 7
D. 8
E. 9
Suppose that |x+y|+|x-y|=2. What is the maximum possible value of x^{2}-6 x+y^{2} ?
Answer Choices
A. 5
B. 6
C. 7
D. 8
E. 9