The common difference of the given sequence is,ĭ = 2 - (-4) (or) 8 - 2 (or) 16 - 8 =. Create a recursive formula using the first term in the sequence and the common ratio. Determine that the sequence is geometric. Writing a Recursive Formula for a Geometric Sequence 1. Review of Explicit Formula: the term in the sequence the common ratio. Observe the sequence and use the formula to obtain the general term in part B. To find missing terms in a geometric sequence. Use the general term to find the arithmetic sequence in Part A. Using Arithmetic Sequence Recursive Formula? This set of worksheets lets 8th grade and high school students to write variable expression for a given sequence and vice versa. What Is the n th Term of the Sequence -4, 2, 8, 16.
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