quiz_sle_background

# quiz_sle_background - MULTIPLE CHOICE TEST BACKGROUND...

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MULTIPLE CHOICE TEST – BACKGROUND: SIMULTANEOUS LINEAR EQUATIONS Multiple-Choice Test Background Simultaneous Linear Equations 1. Given [A] = 6 0 0 0 5 4 0 0 3 2 1 0 9 3 2 6 then [A] is a ______________ matrix. (A) diagonal (B) identity (C) lower triangular (D) upper triangular 2. A square matrix [A] is lower triangular if (A) i j a ij , 0 (B) j i a ij , 0 (C) j i a ij , 0 (D) i j a ij , 0 3. Given 3 . 12 3 . 11 3 . 10 3 . 11 3 . 10 3 . 11 3 . 20 3 . 12 3 . 12 ] [ A , 20 11 6 5 4 2 ] [ B then if [C] = [A] [B] , then c 31 = _____________________ (A) -58.2 (B) -37.6 (C) 219.4 (D) 259.4

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MULTIPLE CHOICE TEST – BACKGROUND: SIMULTANEOUS LINEAR EQUATIONS 4. The following system of equations has ____________ solution(s). x + y = 2
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quiz_sle_background - MULTIPLE CHOICE TEST BACKGROUND...

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