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MATH 1300-BorgersenQuiz 2 Solutions14R-Term 22014-02-11Name: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.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.LetA=1000500-31.Find two elementary matricesE1andE2such thatE2E1Ais in RREF.