Complete the recursive formula of the geometric squence: 56, -28, 14, -7

asked Jan 18, 2020 20.8k views

3 votes

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1 vote

Answer:

a(n) = (-1/2)a(n - 1) with a(1) = 56

Explanation:

Ekk answered Jan 20, 2020

by Ekk

7.8k points

6 votes

Answer:

Explanation:

Each new term is equal to -1/2 times the previous term:

a(n) = (-1/2)a(n - 1) with a(1) = 56 (Recursive formula).

Gaurav Gilani answered Jan 23, 2020

7.6k points

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