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MATH2107-Tut10

# MATH2107-Tut10 - MATH 2107B Names Tutorial 1 5:30-6:30pm...

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MATH 2107B Tutorial 1 5:30-6:30pm January, 2008 1 Names: 1 mark per multiple choice, 2 marks per long answer. The tutorial is out of 10 marks. Please work in groups. Multiple Choice 1. For what values of h is the matrix below the augemented matrix of a consistent linear system? bracketleftbigg 2 3 h 6 0 5 bracketrightbigg . (a) 5 3 (b) 0 (c) 3 5 (d) 3 2. Which matrix is in reduced echelon (reduced row echelon) form? 1 0 1 0 1 0 0 0 1 1 1 0 1 2 0 0 0 0 1 0 0 0 0 1 4 0 0 0 2 0 0 0 0 3. For what values of h and k does the system have NO solution? x 1 + 3 x 2 = 2 3 x 1 + hx 2 = k (a) h = 9 ,k negationslash = 6 (b) h = 9 ,k = 6 (c) h negationslash = 9 ,k = 6 (d) h,k any real number 4. Which of the following products is UNDEFINED? 1 0 0 1 2 3 1 0 5 4 7 1 bracketleftbigg 1 2 bracketrightbigg bracketleftbigg 3 2 1 1 0 0 bracketrightbigg 4 3 1

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