The sum of the terms of a sequence is:
What is the third term in the sequence $4$4, $-5$−5, $6$6, $-7$−7, $8$8?
Find the next number in the sequence:
Consider the sequence $a_n$an, where the first term is $a_1$a1. What is the fifth term of the sequence?
Use arithmetic and geometric sequences and series
Apply sequences and series in solving problems