1. COLLEGE ALGEBRA 4.9. Describe the System

2. Do Now Compete the do now problem handed to you when you entered class today.

3. Homework Questions? Comments? Confusions? Concerns? ASK ASK ASK!

4. Today: When given a graph, let’s interpret what it means and/or make up a story that goes with the graph!

5. Example One: Determine the inequalities/equations that make up the triangle below.

6. Example Two: Determine the inequalities/equations that make up the trapezoid below.

7. Example Three: Determine the inequalities/equations that make up the trapezoid below.

8. You Try! Determine the inequalities/equations that make up the shapes below.

9. Slightly Trickier Example Four: What is the difference between the left and right graph?

10. **Realize: If the object isn’t shaded in any way then you are just going to write the equations of the lines! IF it is shaded, that’s when you need to create an inequality!

11. Example Five: Determine the inequalities/equations that make up the shape below.

12. Example Six: Determine the inequalities/equations that make up the shape below.

13. You Try! Determine the inequalities/equations that make up the shapes below.

14. Example Seven: Make up a story based on the graph given below

15. Example Eight: Make up a story based on the graph given below

16. Example Nine: Make up a story based on the graph given below

17. You Try! Make up a story based on the graph given below

18. Practice Problems Try some on your own/in your table groups As always don’t hesitate to ask me and/or a groupmate for help if you are confused!

19. Exit Ticket: Determine the inequalities/equations that make up the shapes below.