Find the Term Arithmetic Sequence

Find the values of a in the following arithmetic sequence

5, 9, a, 17, 21

(a)  

Find the values of a in the following arithmetic sequence

1, 6, a, 16, 21

(a)  

Find the nth term of the following sequence

7, 9, 11, 13, 15

(a)  

Find the nth term of the following sequence

5, 11, 17, 23, 29

Which sequence(s) represent an arithmetic sequence?

Determine the 50th term in the sequence defined by a_n = − 20 + 5(n − 1).

Find the nth term of the following sequence

10, 7, 4, 1, ...

(a)  

Find the nth term of the following sequence

5, -1, -7, -13

(a)  

What is the 50 term in the sequence 1, 7, 13, 19 …?

(a)  

Here is nth term for a sequences. Find the first 5 terms for the sequence.

50 - 5n

(a)