### Home > INT2 > Chapter 9 > Lesson 9.1.2 > Problem 9-20

9-20.

Solve the following systems of equations algebraically. Then graph each system to confirm your solution.

Replace

with. Solve for

.Solve for

.

Replace

with. Solve for

.Solve for

.

In the eTool below type points into the tables to explore where the two graphs intersect.

Click on the link at right to access the calculator: *Digital Graphing Calculator*