Geometric Sequences - Finding the common ratio and the formula for Un | IB SL Math AA

This video will cover what makes a sequence geometric and how to find the common ratio and the general formula (Un) for a geometric sequence. Check out my YouTube channel "Like a Math Class"    / @likeamathclass   ==== Want extra support with IB SL Math? • If you're looking for personalized help with specific topics or exam preparation, I offer 1-on-1 tutoring sessions. Let's work together to boost your understanding and confidence: https://edushare.ing/gQ • To master past exam techniques and learn valuable study strategies, check out my IB SL Math exam review course: https://www.likeamathclass.com/produc... I'm here to help you succeed in your IB SL Math exams! ==== Chapters: 0:00 - Introduction 0:27 - Definition of an geometric sequence 2:05 - Finding the common ratio (r) 5:57 - Finding the general formula of a geometric sequence 9:12 - Example for finding a geometric sequence 11:50 - Some rules of exponents review 13:52 - More rules of exponents review 16:24 - Wrapping it all up #IBMath #Sequences_and_Series #GeometricSequence This is part of Topic 1 - Number and Algebra of the IB Standard Level (SL) Analysis and Approaches curriculum. Legal Disclaimer: This video/channel is not affiliated with or sponsored by the International Baccalaureate. It is a channel based on my 10+ years of teaching IB SL Math. While I believe that with the right amount of time, effort and studying strategies, anyone has the potential to earn a 5 on their IB Math exam, individual results may vary.