91Ó°ÊÓ

In the following exercises, determine if the sequence is arithmetic and if so, indicate the common difference.

$4,12,20,28,36,44,…$

In the following exercises, determine if the sequence is arithmetic and if so, indicate the common difference.

$−7,−2,3,8,13,18,…$

In the following exercises, determine if the sequence is arithmetic and if so, indicate the common difference.

$−15,−16,3,12,21,30,…$

In the following exercise, write the first five terms of the sequence whose general term is given.

$a_n=2^n−3n$

In the following exercises, determine if the sequence is arithmetic and if so, indicate the common difference.

$11,5,−1,−7−13,−19,…$

In the following exercises, determine if the sequence is arithmetic and if so, indicate the common difference.

$8,5,2,−1,−4,−7,…$

In the following exercises, determine if the sequence is arithmetic and if so, indicate the common difference.

$15,5,−5,−15,−25,−35,…$

In the following exercises, write the first five terms of each sequence with the given first term and common difference.

$a_1=11$and$d=7$

In the following exercises, write the first five terms of each sequence with the given first term and common difference.

$a_1=18$and$d=9$

In the following exercises, write the first five terms of each sequence with the given first term and common difference.

$a=−7$and$d=4$