melacuna89 melacuna89

25-06-2020
Mathematics

contestada

Write an
explicit formula for An, the nth term of the sequence
15, 7, -1,....

Respuesta :

mhanifa mhanifa

03-07-2020

Answer:

aₙ=23 - 8n

Step-by-step explanation:

15, 7, -1,....

AP with the first term of 15 and common difference -8

aₙ=a₁+(n-1)d= 15+(n-1)*(-8)= 15 -8n +8= 23 - 8n

aₙ=23 - 8n

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