Home > CC3 > Chapter 9 > Lesson 9.2.3 > Problem 9-90
9-90.
Use the rule
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: 9-90 HW eTool