### Home > A2C > Chapter 2 > Lesson 2.1.1 > Problem 2-7

2-7.

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 for the full eTool version: *2-7 HW eTool *