### Home > CCG > Chapter 1 > Lesson 1.2.3 > Problem 1-80

1-80.

Copy the table below, complete it, and write an equation relating and

*.*

Use the

format to write your rule.Find

(the slope) by finding the difference between the-values for two consecutive-values.

Substitute the values you found forandinto the original equation.

Complete the table in the eTool below to help you solve this problem.

Click the link at right for the full version of the eTool:*1-80 HW eTool*