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Unformatted text preview: x A y b z = and it is in rowechelon form. 1 1 1 5 4 4 ; ? 8 x = a) 4 b) 12 c) 8 d) 0 e) No solution f) None of these Consider the following system for questions 810; & 1 2 2 2 5 3 2 7 ± ² ³ ´ µ ¶ = · 8. What is the rowechelon form of the coefficient matrix? a) & 1 2 2 5 7 ± b) & 1 2 2 1 ± c) & 1 2 2 1 3 ± d) none of these 9. What are the pivots? a) 1, 2 and 7 b) 1, 2 and 0 c) 1 and 2 d) 1, 2, and 3 e) none of these 10. For which of the following b ’s would the system have a solution? a) · = & 4 5 1 ± b) · = & 4 5 −1 ± c) · = & 4 5 9 ± d) · = & 4 5 −5 ± e) none of these...
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 Spring '08
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 Math, Linear Algebra, Algebra, Englishlanguage films, Following, Harshad number, UCI race classifications, following augmented matrix

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