Art of Problem Solving
AoPS Online
Math texts, online classes, and more
for students in grades 5-12.
Visit AoPS Online ‚
Books for Grades 5-12 Online Courses
Beast Academy
Engaging math books and online learning
for students ages 6-13.
Visit Beast Academy ‚
Books for Ages 6-13 Beast Academy Online
AoPS Academy
Small live classes for advanced math
and language arts learners in grades 2-12.
Visit AoPS Academy ‚
Find a Physical Campus Visit the Virtual Campus

2009 AMC 10B Answer Key

Revision as of 20:12, 4 July 2020 by Rufeng (talk | contribs) (#21 was D on the answer key but the answer is B.)
  1. B
  2. C
  3. C
  4. C
  5. D
  6. D
  7. C
  8. B
  9. A
  10. E
  11. A
  12. A
  13. C
  14. D
  15. E
  16. B
  17. C
  18. D
  19. A
  20. B
  21. B
  22. B
  23. C
  24. A
  25. B
Retrieved from "https://artofproblemsolving.com/wiki/index.php?title=2009_AMC_10B_Answer_Key&oldid=127477"