Quiz2-Solutions - MATH 1300-Borgersen Quiz 2 Solutions Name 14R-Term 2 Student Number Answer all questions and show all your work No calculators

Quiz2-Solutions - MATH 1300-Borgersen Quiz 2 Solutions Name...

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MATH 1300-Borgersen Quiz 2 Solutions 14R-Term 2 2014-02-11 Name: Student Number: Answer all questions and show all your work. No calculators allowed. (Total Marks: 28). You have 20 minutes to complete the quiz. 1.[10]Solve the following system by finding the inverse of the coefficient matrix.No marks will beawarded for any other method.x+3y+2z=5x+3y+3z=7y=-2
2. [6] Let A = 1 0 0 0 5 0 0 - 3 1 . Find two elementary matrices E 1 and E 2 such that E 2 E 1 A is in RREF.

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