alleryA rule that uses the previous two terms builds which sequence?
AOdd number
BFibonacci
CTriangular
DSquares nu
Answer & Solution
Correct answer: B. Fibonacci
1. A recursive rule may look back more than one term.
2. Adding the previous two terms gives 1, 1, 2, 3, 5, 8.
3. That is the Virahanka Fibonacci sequence.
4. So the answer is Fibonacci.
_Source: syllabus Mathematics, Ch 8 'Predicting What Comes Next: Exploring Sequences and Progressions'_
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