Progressions Question 1c

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1. Which of the following sequences appear to be an arithmetic progression? State the first term and the common difference.

 c) 

1. Which of the following sequences appear to be an arithmetic progression? State the first term and the common difference.

 c) 

Answer:

 c)  No

1. Which of the following sequences appear to be an arithmetic progression? State the first term and the common difference.

 c) 

Solution:

 c)  No. There is no common difference.

Definition: A sequence is said to be an arithmetic progression if successive terms differ by the same amount which is called the common difference . The nth term of an arithmetic progression may be written as:

Where   the nth term,

the first term,

the number of terms,

the common difference.