   Chapter 13.2, Problem 6E ### Algebra and Trigonometry (MindTap ...

4th Edition
James Stewart + 2 others
ISBN: 9781305071742

#### Solutions

Chapter
Section ### Algebra and Trigonometry (MindTap ...

4th Edition
James Stewart + 2 others
ISBN: 9781305071742
Textbook Problem

# 5 - 1 0 Terms of an Arithmetic Sequence The n th term of an arithmetic sequence is given. ( a ) Find the first five terms of the sequence. ( b ) What is the common difference d ? ( c ) Graph the terms you found in part ( a ) . a n = − 20 + 10 ( n − 1 )

To determine

a)

To find:

First five terms of the sequence.

Explanation

Given:

The given sequence is,

an=20+10(n1)

Approach:

Substitute n=1,2,3,4,5 in given sequence to get the first five terms of the sequence.

Calculation:

For n=1,

a1=10+20(11)=10

For n=2,

a2=10+20(21)=10+20=10

For n=3,

To determine

b)

To find:

Common difference d

To determine

c)

To find:

Graph of the first five terms of the sequence

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