### Home > A2C > Chapter 9 > Lesson 9.1.1 > Problem9-15

9-15.

An arithmetic sequence starts out $−23$,$−19$,$−15$

1. What is the rule?

What is the common difference between the terms?

2. How many times must the generator be applied so that the result is greater than 10,000?

Use the rule you found in part (a).