McGraw-Hill OnlineMcGraw-Hill Higher EducationLearning Center
Student Center | Instructor Center | Information Center | Home
Course Success
Math on the Web
How's Your Math?
Graphing Calculator Workshop
Midtext Diagnostic Review
NetTutor
SMART CD Grade Book Register
Glossary
Elementary Algebra Review
Learning Objectives
Chapter Outline
Key Terms
Internet Exercises
Enrich Your Math Word Power
Pre-Test
Post-Test
Chapter Overview
Warm-Ups
Section Text
Audio/Visual Tutorial Practice
Practice Test
Feedback
Help Center


Elementary and Intermediate Algebra
Mark Dugopolski, Southeastern Louisiana University

Sequences and Series
Sequences

Warm-Ups



1

The nth term of the sequence 2, 4, 6, 8, 10, . . . is an = 2n.
A)TRUE
B)FALSE
2

The nth term of the sequence 1, 3, 5, 7, 9, . . . is an = 2n - 1.
A)TRUE
B)FALSE
3

A sequence is a function.
A)TRUE
B)FALSE
4

The domain of a finite sequence is the set of positive integers.
A)TRUE
B)FALSE
5

The nth term of -1, 4, -9, 16, -25, . . . is an = (-1)n+1n2.
A)TRUE
B)FALSE
6

For the infinite sequence bn = 1/n, the independent variable is 1/n.
A)TRUE
B)FALSE
7

For the sequence cn = n3, the dependent variable is cn.
A)TRUE
B)FALSE
8

The sixth term of the sequence an = (-1)n+12n is 64.
A)TRUE
B)FALSE
9

The symbol an is used for the dependent variable of a sequence.
A)TRUE
B)FALSE
10

The tenth term of the sequence 2, 4, 8, 16, 32, 64, 128, . . . is 1024.
A)TRUE
B)FALSE