What is the common ratio in the geometric sequence 2, 6, 18, 54, ...?
✓ Correct Answer: Option B
Common ratio r = 6/2 = 3 (or 18/6 = 3, 54/18 = 3).
📚 About This SAT Exam Prep Practice Question
This 1-level SAT Exam Prep question from the Math (No Calculator) topic is part of BrainForge Quiz's free exam preparation library. Each question includes the correct answer and a detailed explanation to help you understand the underlying concept, not just memorize the answer.
How to use this page: Read the question above, consider all four options (A through D), then check the highlighted correct answer and explanation. For active timed practice, start a free SAT Exam Prep practice test or use flashcards for spaced repetition review.