The nth term of a sequence is 23-4n. Find the value of n when the nth term is - 65.

Moti Korets asked Dec 16, 2023

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Moti Korets asked Dec 16, 2023

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16 votes

Answer:

n = 22

Explanation:

given
a_(n) = 23 - 4n and
a_(n) = - 65 , then equate right sides and solve for n

23 - 4n = - 65 ( subtract 23 from both sides )

- 4n = - 88 ( divide both sides by - 4 )

n = 22

Fane answered Dec 20, 2023

by Fane

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