quiz 1 answers

Linear Algebra with Applications

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Name: ANSWER KEY Math 20F - Linear Algebra - Winter 2003 Quiz #1 — January 14 1. Consider the following system of linear equations: x 1 x 2 +3 x 3 +4 x 4 =5 x 2 x 4 =6 . Is the system consistent? YES Is the system underdetermined? YES Is the system overdetermined? NO Is the system homogeneous? NO What is its solution set? ANSWER: Set x 3 = α , x 4 = β . Solution set = { (11 3 α 3 β, 6+ β, α, β ): α, β R } . 2. Consider the matrix A = 1234 1336 1310
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This homework help was uploaded on 01/23/2008 for the course MATH 20F taught by Professor Buss during the Winter '03 term at UCSD.

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