Sequences And Series 11.1-11.2

Question 1

Terms

Answer 1

The numbers in the sequences

Question 2

Finite

Answer 2

The sequence has a last term

Question 3

Infinite

Answer 3

The sequences continues w/o stopping (has a … At the end)

Question 4

The weird E symbol

Answer 4

Summation Notation or Sigma Notation

Question 5

at the top of the sigma

Answer 5

Upper limit of summation

Question 6

i or x of the sigma

Answer 6

Index of summation

Question 7

on the bottom of sigma

Answer 7

Lower limit of summation

Question 8

D is called

Answer 8

The common difference

Question 9

Arithmetic sequence

Answer 9

A sequence in which you add the same, constant number to get from one term to the next

Question 10

Formula for an arithmetic sequence

Answer 10

An= A1 + (n-1)d

Question 11

What two things do you need to write the “rule” of an arithmetic sequence?

Answer 11

A1, d

Question 12

Arithmetic series

Answer 12

The expression that results from adding the terms of an arithmetic sequence

Question 13

The formula for finding the Sum of the first n terms in an arithmetic series is

Answer 13

Sn= n/2(a1+an)

Question 14

Sequence

Answer 14

A set of #s written in a certain order