2019 AMC 8 Problem 17
Attempt Problem 17 of the 2019 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 2019 AMC 8 solutions, or check the answer key.
All problems are used with official legal permission of the Mathematical Association of America (MAA).
17.
What is the value of the product below?
Answer: B
Small hint:
Rewrite each factor to line up cancellations
Big hint:
Only the first and the last remain
Video solution:
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Written solution:
We can regroup all the factors as follows.
From this representation, we can see that all the middle terms cancel leaving only
Thus, the correct answer is B.
Problem 17 in other years
- 1985 AMC 8
- 1986 AMC 8
- 1987 AMC 8
- 1988 AMC 8
- 1989 AMC 8
- 1990 AMC 8
- 1991 AMC 8
- 1992 AMC 8
- 1993 AMC 8
- 1994 AMC 8
- 1995 AMC 8
- 1996 AMC 8
- 1997 AMC 8
- 1998 AMC 8
- 1999 AMC 8
- 2000 AMC 8
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