Monday, April 17

• Test 4
• Test 4 covers Sections 5.1 – end
• Sample Test 4: test4-2015
• Answers: (1) (1, -1, 0) (2) N(A):{(0,1,0,0),(0,0,2,1)};R(A):{(1,0,2),(-2,0,0)},
  N(A^t):{(0,1,0)}; R(A^t): {(1,0,-2,4),(2,0,0,0)}
  (3) 5,5,5; (0,1,0) (4) Theorem 5.5, page 261

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Tuesday, April 18

• No class
• All grade issues must be resolved by 11:30 am on Thursday, April 20

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Wednesday, April 19

• Return Test 4
• Deliver final grades for course
• All grade issues must be resolved by 11:30 am on Thursday, April 20

Thursday, April 20

• Office hours today: 9:00 – 11:30
• All grade issues must be resolved by 11:30 am on Thursday, April 20