Chapter 5 - Number Theory and the Real Number System - 5.7 Arithmetic and Geometric Sequences - Exercise Set 5.7 - Page 331: 137

The difference between two adjacent terms in an arithmetic sequence is called the common difference

Common Difference: - The difference between two adjacent terms in an arithmetic sequence is called the common difference. Common difference remains constant. For example: \[1,4,7,10,13,\ldots \]. In this sequence the common difference is\[3\].