Exam (elaborations)
Math 225 Exam #1 Questions with 100% Correct Answers
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Augmented matrix Correct Answer a+b=c d+e=f [ a b c ; d e f] Row echelon form (REF) Correct Answer 1. All nonzero rows are above any rows of all zeros, called 0-rows 2. Each leading entry (leftmost nonzero entry) of a row is in a column to the right of the leading entry of the row above it 3...
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