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

503,018 views

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

2.6k points

Your comment on this question:

Email me at this address if a comment is added after mine:Email me if a comment is added after mine

Privacy: Your email address will only be used for sending these notifications.

Email me at this address if my answer is selected or commented on:Email me if my answer is selected or commented on

Privacy: Your email address will only be used for sending these notifications.

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

2.9k points

Email me at this address if a comment is added after mine:Email me if a comment is added after mine

Privacy: Your email address will only be used for sending these notifications.

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

1.6m questions

2.0m answers