2016 AMC 8 Problem 10
Attempt Problem 10 of the 2016 AMC 8 below, then check your answer against the video solution and professionally curated solution from LIVE by Po-Shen Loh. You can also try the full timed exam, view all 2016 AMC 8 solutions, or check the answer key.
All problems are used with official legal permission of the Mathematical Association of America (MAA).
10.
Suppose that means What is the value of if
Answer: D
Small hint:
Start by simplifying the inner operation .
Big hint:
Apply the definition twice, from the inside out.
Video solution:
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Written solution:
First, . Applying the operation again gives Thus , so .
Thus, D is the correct answer.
Problem 10 in other years
- 1985 AMC 8
- 1986 AMC 8
- 1987 AMC 8
- 1988 AMC 8
- 1989 AMC 8
- 1990 AMC 8
- 1991 AMC 8
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- 1993 AMC 8
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