MathDB
1994 AMC 12 #6

Source:

December 30, 2011
AMC

Problem Statement

In the sequence ...,a,b,c,d,0,1,1,2,3,5,8,... ..., a, b, c, d, 0, 1, 1, 2, 3, 5, 8,... each term is the sum of the two terms to its left. Find aa.
<spanclass=′latex−bold′>(A)</span> −3<spanclass=′latex−bold′>(B)</span> −1<spanclass=′latex−bold′>(C)</span> 0<spanclass=′latex−bold′>(D)</span> 1<spanclass=′latex−bold′>(E)</span> 3 <span class='latex-bold'>(A)</span>\ -3 \qquad<span class='latex-bold'>(B)</span>\ -1 \qquad<span class='latex-bold'>(C)</span>\ 0 \qquad<span class='latex-bold'>(D)</span>\ 1 \qquad<span class='latex-bold'>(E)</span>\ 3
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