Use your knowledge of
to graph the lines without tables.
Use the graph to find the point of intersection.
The point of intersection is
. Where is this point on the graph?
Confirm this point of intersection by solving the system algebraically.
Use the Equal Values Method.
Use the eTool below to help you solve this problem.
Click the link at right for the full version of the eTool: 7-48 HW eTool (Demos)