# SYMKC Sequences and Series Flashcards

In the picture below, what does the “i” stand for?

index of summation

the product of all positive integers from n down through 1

factorial (!)

Sum of a Finite Geometric Series

Geometric Sequence Term Generator

an ordered set of numbers

sequence

In the picture below, what does the “n” stand for?

upper limit of summation

Sum of an Arithmetic Sequence

Recursive formula for a geometric sequence

common variables used as the index of summation

i, j, and k

Sum of an infinite geometric series when the ratio is > 1

Divergent, no sum

the nth term formula that expresses the term of the function n

explicit rule

the domain of the function consists of the first n positive integers only

finite sequence

In the picture below, what does the “1” stand for?

Lower limit of summation

a sequence that does not end

infinite sequence

the three dots (…) that mean there are more numbers

ellipsis