Question
Let $a_{1}, a_{2}, a_{3}, \ldots, a_{n}, \ldots$ be a geometric sequence. Find each of the indicated quantities.$$a_{1}=8, a_{2}=2 ; r=?$$
Step 1
This ratio is denoted by 'r'. Show more…
Show all steps
Your feedback will help us improve your experience
Babita Kumari and 65 other Precalculus educators are ready to help you.
Ask a new question
Labs
Want to see this concept in action?
Explore this concept interactively to see how it behaves as you change inputs.
Key Concepts
Recommended Videos
Let $a_{1}, a_{2}, a_{3}, \ldots, a_{n}, \ldots$ be a geometric sequence. Find each of the indicated quantities. $$ a_{1}=-6, a_{2}=2 ; r=? $$
Sequences, Induction, and Probability
Arithmetic and Geometric Sequences
Let $a_{1}, a_{2}, a_{3}, \ldots, a_{n}, \ldots$ be a geometric sequence. Find each of the indicated quantities. $$ a_{1}=\sqrt{2}, a_{6}=8 ; r=? $$
Let $a_{1}, a_{2}, a_{3}, \ldots, a_{n}, \ldots$ be a geometric sequence. Find each of the indicated quantities. $$ a_{4}=8, a_{5}=6 ; a_{1}=? $$
Transcript
Watch the video solution with this free unlock.
EMAIL
PASSWORD