Test 1

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Unformatted text preview: + 12 = y + 12 B. y = x + 30 3(x + 12) = y + 12 2. (10 points) Given the matrices 10 A = 0 1 00 C. x = y + 30 x + 12 = 3(y + 12) 2 3 , 1 B= 3 0 1 3 0 , 1 x = y + 30 x − 12 = 3(y − 12) −1 2 0 0 0 1 D. 1 C= 0 −2 compute the following. (a) CB + 3A = ? A. Undefined B. (b) (ABC − B )t = ? A. Undefined 3 −2 B. 1 C. 0 0 −1 6 3 −2 −1 6 0 1 0 1 C. 0 0 −1 2 2 6 D. 0 −6 D. 0 −2 −2 9 −2 2 −3 5 11 3 3. (20 points) Find the general solution to the following system of equations. 2x2 −6x3 = 4 −x1 +x2 +x 3 =0 (a) 2x1 +x2 −13x3 = 2 x 1 −x 2 =2 x1 = 10 x1 = −10 x1 = 10 + x4 A. No solution...
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This document was uploaded on 03/14/2014 for the course MATH 5 at Long Island U..

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