Find the eighth term of the arithmetic sequence whose first term is 4 and whose common difference is -7.

Question

Answer 1

Step 1
we have to find the eighth term of the arithmetic sequence whose first term is 4 and whose common difference is -7.
Step 2
Let the eighth term is denoted by

a_{8}

here

a_{1} =

first term

= 4

d = - 7

now as we know that

n^{t h}

term is given as

a_{n} = a_{1} + (n - 1) d

where

a_{1}

is the first term an d is the common difference.

a_{8} = 4 + (8 - 1) (- 7)

a_{8} = 4 + 7 (- 7)

a_{8} = 4 - 49

a_{8} = - 45

Answer 2

Jeffrey Jordon

Answered 2021-11-03 Author has 2313 answers

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Find the eighth term of the arithmetic sequence whose first term is 4 and whose common difference is -7.

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