January 16, 2012

Math 521A:

- Homework was corrected

- Discussed the concepts of the identity matrix of multiplication and the determinant.

- Homework: Complete 53 on page 27

Math 621A:

- Homework was corrected and 3 and 6 on sheet 8.7 were assigned and corrected.

- Complete the assignment on statistics to be handed in before you go to first class tomorrow.

Math 621B:

- Assignments were handed back and reviewed.

- Completed several examples regarding solving quadratic systems. A sheet was handed out and odds 1 – 11 were assigned. The answers to 1, 3, and 5 were put on the board. The answers to 7, 9, and 11 were given. If there are any issues, see me tomorrow.

- Study for tomorrow’s test.

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Easy As PI!

January 16, 2012

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