Here are the first four terms of an arithmetic sequence.
10 16 22 28
(a) Find the 10th term of this sequence.
..............................................................
(1)
(b) Find an expression, in terms of n, for the nth term of the sequence.

Question

Here are the first four terms of an arithmetic sequence.
10 16 22 28
(a) Find the 10th term of this sequence.
..............................................................
(1)
(b) Find an expression, in terms of n, for the nth term of the sequence.

anonymous · Answer

$$s _{n}=10+6(n-1)$$where$$n=1,2,3...$$So,$$s _{10}=10+6(10-1)=10+6*9=64$$