MATH 1119 Study Guide - Midterm Guide: Adjugate Matrix
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Math 1119 e winter 2017 test # 4. Section number (e1, e2, e3, e4 or e5) 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. Formula you may need: x t x (cid:126) = x t (cid:126)y. Using a pen, please clearly indicate your answer in the box provided. No explanation is required and no partial marks will be granted. If possible, use cramer"s rule to solve for x2 in the system (a) 4. Determine the value(s) of the parameter s for which the system has a unique solution. (a) s = 3 (b) s = 3, 3. 6x1 + 3sx2 = 7 (c) any s r (d) s (cid:54)= 3 (e) s (cid:54)= 3, 3.
