APPM 2360 Midterm: appm2360spring2018exam2
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On the front of your bluebook write: (1) your name, (2) your instructor"s name, (3) your recita- tion section number and (4) a grading table. Text books, class notes, cell phones and calculators are not permitted. A letter sized one page crib sheet is allowed. Problem 1: (30 points, 6 points each) true/false (answer true if it is always true otherwise answer false). (a) let u3 3 = {3 3 upper triangular matrices with real entries} with the usual matrix operations. Problem 2: (30 points, 10 points each) short answer for the following problems. X 4, y = y x. B 1 in terms of a and p . (c) what is a basis for span . Problem 3: (30 points) question consider the linear system of equations ax = b, where. Problem 4: (30 points) in this problem a = .
