Quiz+15+solution

# Quiz+15+solution - MATH 17100 28446 Quiz 15 solution 11/11...

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MATH 17100 28446 Quiz 15 solution 11/11/ 2009 1. Find the row-reduced echelon form of the following matrices, showing intermediate steps: (a) 2 2 1 1 1 1 2 2 1 1 2 2 1 1 2 2 1 1 2 2 2 2 1 1 0 0 5 3 0 0 1 1 1 1 1 1 1 1 1 1 0 0 3 3 0 0 5 3 1 1 0 0 1 1 0 0 0 0 1 1 0 0 1 0 0 0 0 2 0 0 0 1  (b) 2 2 1 1 1 1 2 2 1 1 2 2 1 1 2 2 1 1 2 2 2 2 1 1 0 0 3 3 0 0 1 1 1 1 1 1 1 1 1 1 0 0 3 3 0 0 1 1 1 1 0 0 0 0 1 1 0000    2. Determine whether or not the following two systems are equivalent: 1 3 4 1 2 4 34 1 2 4 0 1 1 1 x x x x x x xx x x x 

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Quiz+15+solution - MATH 17100 28446 Quiz 15 solution 11/11...

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