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

AXM asked Sep 4, 2023

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10 votes

5. An arithmetic sequence is defined by:

a₁ = -8

an = an-1+4

What is the 7th term of the sequence?

AXM asked Sep 4, 2023

by AXM

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22 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

JRM answered Sep 10, 2023

by JRM

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