Find an expression for the nth term of the arithmetic sequence: 1, 6, 11, 16, …
Note
The common difference is 5, so the nth term has the form 5n + c. Since the first term occurs at n = 1, 5(1) + c = 1, giving c = -4. Thus the nth term is 5n - 4.
Find an expression for the nth term of the arithmetic sequence: 1, 6, 11, 16, …
The common difference is 5, so the nth term has the form 5n + c. Since the first term occurs at n = 1, 5(1) + c = 1, giving c = -4. Thus the nth term is 5n - 4.