### Home > INT3 > Chapter 8 > Lesson 8.3.4 > Problem 8-149

8-149.

Recall that equations representing sequences can be written in the form

*t*(*n*) =*mn + b*or*t*(*n*) =*ab*. Write an equation for each of the following sequences. Homework Help ✎^{n}10, 2.5, 0.625, …

–2, –8, –14, …

Is this geometric or arithmetic?

Is this geometric or arithmetic?