Algebra 2 Sequences

Which formula would determine the SUM of the first 8 terms of the following sequence?

• 190

• 192

• 64

• 62

A rule that defines the nth term a_n, or a general term, of a sequence as a function of n.

• Explicit Rule

• Arithmetic Sequence

• Recursive Rule

An equation to represent the n^th term of the sequence is known as 

• explicit formula

• arithmetic sequence

• geometric sequence

• recursive formula

How can we represent the series in sigma notation?

Is the sequence arithmetic: 37, 31, 25, 19, ...

• Yes

• No

Is the sequence arithmetic: 17, 9, 1, -7, ...

• Yes

• No