1977 AMC 12 Problem 1
Attempt Problem 1 of the 1977 AMC 12 below, then check your answer against the professionally curated solution from LIVE by Po-Shen Loh. You can also try the full timed exam, view all 1977 AMC 12 solutions, or check the answer key.
All problems are used with official legal permission of the Mathematical Association of America (MAA).
1.
If and then equals
Answer: D
Small hint:
Express every term in terms of
Big hint:
Use first to obtain
Solution:
Since we have Therefore
Therefore, the correct answer is D.
Problem 1 in other years
- 1950 AMC 12
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