Sequences and nth term (DCoT)

Find the next three terms in the arithmetic sequence: 25, 34, 43, 52, ...

• 63, 72, 81
• 79, 88, 97
• 70, 79, 88
• 61, 70, 79

Simplify by combining like terms:
5a + 2b - 3a + 4

• 8a + 2b + 4
• 2a + 2b + 4
• 8ab
• 4ab + 4

Tags

CCSS.7.EE.A.1

Find the n^th term of the following sequence...

5, 9, 13, 17...

• 4n+1

• 4n-1

• n+4

• n-4

Find the n^th term of the following sequence...

2, 5, 8, 11...

• 3n-1

• 3n+1

• n+3

• n-1

Find the n^th term of the following sequence...

-3, 2, 7, 12...

• 8n-5

• 8n+5

• 5n+8

• 5n-8

Find the nth term of...
2,4,6,8...

• 3n
• 2n
• 4n
• 10n

Find the nth term of...
3,1,-1,-3...

• 5n+3
• 5n-2
• 3n+5
• -2n+5

The nth term of a sequence is: 2n + 6.

What is the 12th term in the sequence?

• 28

• 30

• 20

• 38

The nth term of a sequence is: 4n - 1.

Is 35 a number in the sequence?

• Yes

• No

The nth term of a sequence is 6n -4.

what is the difference between the 8th and 12th term?

• 2

• 6

• 24

• 28