5. An arithmetic sequence is defined by: a₁ = -8 an = an-1+4 What is the 7th term of the sequence?

asked Jan 13, 2023 157k views

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5. An arithmetic sequence is defined by:

a₁ = -8

an = an-1+4

What is the 7th term of the sequence?

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4 votes

Answer: 16

Explanation:

an = an-1+4 ==> change in every term is +4

1=1st term

7=7th term

-8+4*(7-1)=

-8+4*6=

-8+24=16

Saurabh G answered Jan 20, 2023

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