Skip to content / Đến nội dung
ThichHocToan.com

2025 AMC 10B Question 9

AMC10 · 2025 AMC 10B

Question 9

How many ordered triples of integers $(x, y, z)$ satisfy the following system of inequalities?

$$
-x - y - z \le -2
$$ $$
-x + y + z \le 2
$$ $$
x - y + z \le 2
$$ $$
x + y - z \le 2
$$
  1. $4$
  2. $8$
  3. $11$
  4. $15$
  5. $17$