What is the explicit formula of the arithmetic sequence?2, -2, -6, -10

Alex Anderson asked Nov 6, 2023

9,655 views

44 votes

Alex Anderson asked Nov 6, 2023

3.3k 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.

14 votes

We have the following sequence

We calculate the pattern of change like this:

$\begin{gathered} -10-(-6)=-10+6=-4 \\ -6-(-2)=-6+2=-4 \\ -2-2=-4 \end{gathered}$

Therefore, by knowing the pattern of change, we can know the explicit formula

Pbrosset answered Nov 11, 2023

3.0k 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