Homework due Tuesday 10/11

Lesson 3.1 Exercises

• Using graphing method on graph paper: 15, 19, 23
  
• Using substitution method: 27, 31, 37, 41, 43
  
• Using graphing method on calculator: 47, 49
  

Lesson 3.2 Exercises

• Using elimination method: 11, 15, 19, 21, 23, 25
  
• Using your choice of method: 27, 31, 35, 40, 43–46
  

Finally, do this: Did you find any problems where the solution method did not lead to a single solution? Write an explanation in your own words of what happened differently in those problems. (Why did the methods that worked in other problems not work? What happened instead?)