In Exercises 19–21, write a formula for the general term (the nth term) of each arithmetic sequence. Do not use a recursion formula. Then use the formula for an to find a20, the 20th term of the sequence. -7, -3, 1, 5 ...
This video solution was recommended by our tutors as helpful for the problem above.
Was this helpful?
Master Quick Intro to Arithmetic Sequences with a bite sized video explanation from patrickJMT