### Home > CCA2 > Chapter 8 > Lesson 8.1.1 > Problem8-15

8-15.

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

1. What is the equation?

What is the common difference between the terms?

Remember that the first term is $-23$. What is the 0th term?

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

Use the rule you found in part (a).