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Unformatted text preview: e) An undetermined homogeneous system must have at least two solutions. Remarks and Answers: This was not supposed to be very hard, and the average [based on the top 14 out of 18 grades] was high; 51/60, or 85%. The unocial scale is As = 5560 Bs = 4954 Cs = 4348 Ds = 3742 Fs = 036 1) Start by swapping the rows (a Type I op): A = 1 01 / 3  4 / 3 0 1 1  2) A) Over; inconsistent ( x 2 = 1 = 2 is not possible); B) Under; innitelymany solns (consistent with free variables); C) Square, a unique solution, (5,4). 3) FFTFT. I usually go over the TF in class after each quiz. You are welcome to ask more about these though. 1...
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This note was uploaded on 12/26/2011 for the course MAS 3105 taught by Professor Julianedwards during the Spring '09 term at FIU.
 Spring '09
 JULIANEDWARDS

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