Skip to content / Đến nội dung
ThichHocToan.com

2011 AMC 10A Question 7

AMC10 · 2011 AMC 10A

Question 7

Which of the following equations does not have a solution?
  1. $(x + 7)^2 = 0$
  2. $|-3x| + 5 = 0$
  3. $\sqrt{-x} - 2 = 0$
  4. $\sqrt{x} - 8 = 0$
  5. $|-3x| - 4 = 0$