10. Sequences, Induction, and Probability

Geometric Sequences and Series

3:16 minutes

Problem 21

Textbook Question

Textbook Question# In Exercises 17–24, write a formula for the general term (the nth term) of each geometric sequence. Then use the formula for a_n to find a7, the seventh term of the sequence. 1.5, - 3, 6, -12, ...

Verified Solution

3m

Play a video:

This video solution was recommended by our tutors as helpful for the problem above.

62

Was this helpful?

### Watch next

Master **Sum of a Geometric Series** with a bite sized video explanation from Mario's Math Tutoring

Related Videos

Related Practice