In an arithmetic sequence, the seventh term is 3 and the sixteenth term is 9.

[123kaleidoscope]

In an arithmetic sequence, the seventh term is 3 and the sixteenth term is 9. use arithmetic means to determine the common difference and the first term of the sequence

 

[Deleted member 4993]

In an arithmetic sequence, the seventh term is 3 and the sixteenth term is 9. use arithmetic means to determine the common difference and the first term of the sequence

If the first term of an arithmetic sequence is 'a₁' and the common difference is 'd', can you write an expression for the 'n'th. term?

 

[stapel]

In an arithmetic sequence, the seventh term is 3 and the sixteenth term is 9. use arithmetic means to determine the common difference and the first term of the sequence

Since you have shown no work, I will guess that you first need to learn about this topic. Please try this list of lessons.

After you have studied at least three lessons from the list, please attempt this exercise, starting with answering the question posed by the other helper. If you get stuck, you can then reply here with a clear listing of your thoughts and efforts so far. Thank you!