2.2.6 Lesson Summary

In this lesson, you learned how to:

• Write a system of equations from tables of values and graphs.
• Graph systems of equations by hand.
• Estimate real-world solutions by graphing systems of equations.

Here are the activities that helped you reach those goals:

• 2.2.1: Interpreting Graphs of Systems of Equations
  • In this activity, you looked at a graph of a system of equations and thought about what you noticed and wondered. You then estimated the $y$-intercept and slope of each equation that was graphed.
• 2.2.2: Writing Systems of Equations from Tables
  • In this activity, you created a table of values for a given situation, then wrote a system of equations from two tables of values.
  • 2.2.2: Self Check
  • 2.2.2: Additional Resources
• 2.2.3: Graphs of Systems of Equation
  • In this activity, you wrote a system of equations from a graph, then worked backward to graph a system of equations by hand given the equations.
  • 2.2.3: Self Check
  • 2.2.3: Additional Resources
• 2.2.4: Systems of Equations in the Real-World
  • In this activity, you wrote a system of equations for a given situation, then graphed the system and estimated the solution from the graph.

After these activities, you completed the following practice:

• 2.2.5: Practice