Geometric Sequence Section A: Definition and Rules Definition: A geometric sequence is a sequence with a constant ratio between consecutive terms. This ratio is called the common ratio , r. Example: Is the sequence geometric? If so, find the common ratio. 10, 40, 160, 640,... For more information about the definition of Geometric Sequence please visit the link 👍😇 For solid understanding watch the following video: 2. Recursive rule and Explicit rule: Recursive Rule Explicit Rule Examples: Write a recursive rule and an explicit rule for the following Geometric Sequence. 1, -3, 9, -27,... Solution: Explicit rule Recursive rule
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