mcaugs317 mcaugs317

17-05-2020
Mathematics

contestada

Find an equation for the nth term of the arithmetic sequence.
a16 = 21, a17 = -1

Respuesta :

Chelboy Chelboy

17-05-2020

Answer:nth term=a1 - 27n + 27

Step-by-step explanation:

first term =a1

common difference=d=-1-21

d=-27

Using the formula

Tn=a1 + d x (n-1)

nth term=a1 + (-27)(n-1)

nth term=a1 - 27n + 27

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