### Home > MC2 > Chapter 9 > Lesson 9.3.4 > Problem 9-125

9-125.

What is the slope of the line?

Pick two points on the line and find the change in

-values over the change in-values to find the slope.

What do you get? Does this value correspond with a value in the rule above?Where does the line cross the

-axis?Where on the graph does the line cross the

-axis?

Also, logically, the graph will cross the-axis when.

Using the rule, can you calculate this value?

What do you get? Does this value correspond with a value in the rule above?

Use the eTool below to help you with this problem.

Click the link at right for the full version of the eTool: *MC2 9-125 HW eTool*