MATH 240 Midterm: MATH 240 UPenn 240Fall 04 Exams
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You are required to do all of them. You have 2 hours to complete this examination. You are permitted the use of a one page (8. 5 x 11 ) notes page. No calculators, cell phones, ipods, etc. are permitted. Please show all work in the space provided on your test paper and write your answers in the appropriate place on each page. If you need more space, use the back of the page facing the problem on which you are working. Do not detach this sheet from your test. Scores: (10) ___________, (10) ___________, (10) ___________, (10) ___________, (10) ___________, (10) ___________, (10) ___________, (10) ___________, (10) ___________, (10)___________, (10)____________ Name: ______________________________________________: each of the matrices below is a row echelon form of the augmented matrix of a system of linear equations. Determine if each system is consistent or inconsistent and briefly justify your answer. If the system is consistent, find the solution. a)
