ARITHMETIC SEQUENCES

What is the common difference of the given arithmetic sequence:

–2, 5, 12, 19, 26, . . . ?

• –2   

• 3

• 5

• 7

Which of the following is the common difference of the given arithmetic sequence:

16, 8, 0, –8, –16, . . . ?

• -9

• -8

• -7

• -6

Which of the following sequence is an arithmetic sequence?

• 5, 12, 21, 32, 45, . . .

• 3, 6, 12, 24, 48, . . .

• –8, –5, –2, 1, 4, . . .

• 12, 7, 11, 6, 10, 5, . . .

Which of the following sequence is NOT an arithmetic?

• 25, 13, 1, –11, –23, . . .

• 9, 15, 21, 27, 33, . . .

• –12, –4, 4, 12, 20, 28, . . .  

• –4, 5, 18, 35, 56, 81, . . .

What is the common difference of the given arithmetic sequence:

–26, –17, –8, 1, 10, 19, . . .?

• –9   

• –10

• 9

• 10

Type AS if the given sequence is an arithmetic and NAS if it not an arithmetic sequence:

6, 18, 20, 42, 54, . . . 

Type AS if the given sequence is an arithmetic and NAS if it not an arithmetic sequence:

–13, –7, –2, 2, 5, 7, . . .

Type AS if the given sequence is an arithmetic and NAS if it not an arithmetic sequence:

8, –7, –22, –37, –52, –67

What is the common difference of the given arithmetic sequence: –20, –9, 2, 13, 24, 35, . . .?  

What is the common difference of the given arithmetic sequence: 9, –4, –17, –30, –43, –56, . . .?