jkunz8077 jkunz8077

14-10-2021
Mathematics

contestada

Find the common difference of the arithmetic sequence 1, -1, -3,...

Respuesta :

altavistard altavistard

14-10-2021

Answer:

Step-by-step explanation:

Notice that each new term in the arithmetic sequence 1, -1, -3, ... is 2 less than the previous term. Thus, the common difference is -2.

The formula for this sequence is a(n) = 1 - 2(n - 1), or a(n) = 3 - 2n

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