Day 13 in Mat310

Last time: Exam 1

Next time: More Linear Congruences

Today:

Return Exams
- Exam 1
- Exam 1 Key
- Mean: 76
- Standard Deviation: 9.3
4.2 (first assignment only) is due today
Special Divisibility tests
- section 4.3 summary
- Problems from section 4.3, p. 73:
  - #1a, d
  - #3
  - #7
  - #18
Linear Congruences
- section 4.4 summary
- Problems: pp.
  - #2a
  - #4b
  - remarks on #8

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