Number Sequences Flashcards
1
Q
What is a sequence?
A
a set of numbers in some kind of specific order
2
Q
What is an infinite sequence?
A
has an unlimited number of terms
3
Q
What is a finite sequence?
A
has a limited number of terms
4
Q
What is an arithmetic sequence?
A
a sequence in which each term after the first is found by adding constant d (constant is the common difference)
5
Q
What is an arithmetic series?
A
the sum of the terms of an arithmetic sequence
6
Q
What is the formula for the nth term?
A
tn = t1 + (n-1)d
7
Q
What is the formula for the sum of ānā terms of an arithmetic series?
A
Sn = [(t1+tn) / 2] n
