- Homework 7.4 is returned:
- 27 -- basic equation. How do you get the second solution?
- 43 -- it's good to note that one of the factors has no solutions.
- 54 -- the solution of
must be included; and many of you only included half of those solutions....
- Homework 7.5 is due.
- You have a test next week, covering the material from chapters 5 and 7.