### Home > CCA2 > Chapter 2 > Lesson 2.2.1 > Problem 2-100

2-100.

Write an equation for each of the following sequences. Homework Help ✎

Going from left to right, how much do the terms decrease?

Each term is 6 less than the preceding one. This sequence is arithmetic.

Is this geometric or arithmetic?

This is geometric because there is a common ratio (multiplier) between the increasing terms.