Day 7: Linear Algebra

Last Time: Section 1.4
Announcements:
- Assignments returned:
  - Some students didn't turn the first assignment (or even two!) in. Don't get behind! Do the work....
  - Your score is out of 4: I give two points for each problem.
  - Assignment 1.1: graded #1, #29. For #29, notice that the operation is its own inverse. Some of you stated this -- congratulations if you did!
  - Assignment 1.2: graded #3, #30. For #3: do what is requested! Read carefully.
Today:
- Problems from last time, section 1.4, pp. 47-49:
  - 8, 9
  - 15
  - 26
  - 32
  - Solutions for
  - Solution Sets of Linear Systems
  - Other Problems, pp. 55-56
    - 6
    - 15
    - 35
- Next time: section 1.7 (linear independence)
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