MATH 1119 Study Guide - Midterm Guide: Elementary Matrix, Augmented Matrix, Invertible Matrix
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Math 1119 e winter 2017 test # 3. Instructions : only non-programmable calculators are permitted, this is a closed book test; i. e. textbooks and notes are not permitted, the test paper cannot be taken from the examination room, duration: 50 mins. All students are required to stay for the duration of the test; no early departures. Using a pen, please clearly indicate your answer in the box provided. No explanation is required and no partial marks will be granted. Let a and b be 3 3 matrices such that det(a) = 1 and det(b) = 3. Find det(2a 1bat ). (a) 3 (b) 6 (c) 24 (d) 24 (e) 6. = 4, nd the determinant of the following matrix: 3e b a g 2a h 2b (a) 6 (b) 3 (c) 12 (d) 12 (e) 24. Is: (a) 0 (b) 24 (c) 12 (d) 1 (e) 24.
