2331_quiz2 - Math 2331 Quiz 2 Sections 2.4 and 2.5 This is...

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1 Math 2331 Quiz 2 Sections 2.4 and 2.5 This is an online quiz; submit your answers using your CASA account. The instructions on how to submit this quiz are given on your instructor’s website. 1. A,B,C,D are matrices. If A is 2x3, B is 3x4, C is 3x2, and D is 3x4, which of the following is not defined? a) AB b) CA c) ( ) CA B d) A+C e) B+D f) none of these 2. Let 12 1 2 2 3 , , 2 . ? 0 4 1 5 T A B C A B c - = = = + = - a) 3 b) -3 c) 4 d) 13 e) 1 f) none of these 3. Let 32 1 2 0 6 2 3 4 1 1 0 . ? 0 1 5 4 5 B b     = =     -   a) 19 b) 11 c) 25 d) 26 e) 8 f) none of these For questions 4—6, let 0 1 0 1 0 0 1 0 0 , 1 0 0 , 1 1 0 , 0 1 0 . 0 0 1 0 0 1 2 0 1 a b c A d e f B C D g h i = = = = - 4. BA = a) a b c d e f g h i b)
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This note was uploaded on 02/21/2012 for the course MATH 2331 taught by Professor Staff during the Spring '08 term at University of Houston.

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2331_quiz2 - Math 2331 Quiz 2 Sections 2.4 and 2.5 This is...

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