Arithmetic Sequences and Series Flashcards
1
Q
What is an Arithmetic Sequence?
A
An Arithmetic Sequence has successive terms that differ by the same number, called the common difference.
2
Q
What is an Arithmetic Series?
A
An Arithmetic Series is the sum of the terms of an arithmetic sequence.
3
Q
What is the Formula for finding the nth Term in an Arithmetic Sequence?
A
a(subscript)n=a(subscript)1+(n-1)d. You swap all of the n’s for the number of the term you want in the arithmetic sequence.
4
Q
What is the Formula for finding the Sum of an Arithmetic Series?
A
S(subscript)n=n(a1+a(subscript)n)/2.
