Skip to content / Đến nội dung
ThichHocToan.com

2011 AMC 12A Question 18

AMC12 · 2011 AMC 12A

Question 18

Suppose that $|x + y| + |x - y| = 2.$ What is the maximum possible value of $x^2 - 6x + y^2?$
  1. $5$
  2. $6$
  3. $7$
  4. $8$
  5. $9$