1. Definition of a Geometric Sequence2. Common Ratio2.1. Meaning of Common Ratio \(r\)2.2. Finding \(r\) from Terms3. General Term of a Geometric Sequence3.1. Formula for \(a_n\)3.2. Using \(a_n\) to Find Unknown Terms4. Behaviour of a Geometric Sequence4.1. Case \(|r| > 1\): Growth4.2. Case \(|r| < 1\): Decay4.3. Negative Common Ratio5. Examples of Geometric Sequences5.1. Simple GP Examples5.2. Real-Life GP Patterns