Find an expression for the nth term of the arithmetic sequence: 8, 10, 12, 14, …
Note
The common difference is 2, so the nth term has the form 2n + c. Since the first term occurs at n = 1, 2(1) + c = 8, giving c = 6. Thus the nth term is 2n + 6.
Find an expression for the nth term of the arithmetic sequence: 8, 10, 12, 14, …
The common difference is 2, so the nth term has the form 2n + c. Since the first term occurs at n = 1, 2(1) + c = 8, giving c = 6. Thus the nth term is 2n + 6.