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Unformatted text preview: scored over 55 / 60. The scale for Q5 is: A’s 46 to 60 B’s 40 to 45 C’s 34 to 39 D’s 28 to 33 F’s 0 to 27 I’ve updated your estimated semester grade, based on this quiz and on dropping your lowest quiz grade so far. See the upper right corner, in blue ink. I have still not included HW or MHW into the estimate. Since this is a new method compared to the Quiz 4 estimate, there might be a few surprises, but most of the grades stayed about the same. 1 1a) and 1b) M = ± 2 11 0 ² and A = ± 1 1 2 0 ² 1c) the identity transformation 2a) { e 2 , e 3 } 2b) { e 1 + e 2 + e 3 } 2c) No; the Ker contains nonzero vectors. 2d) No; the range (see 2b) is not R 3 . 3) See the text. I gave at least 15 points (usually much more) if the proof was logically correct (eg the steps could be justiﬁed), but only gave a perfect 20 if it included full explanations. 2...
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 Spring '09
 JULIANEDWARDS
 Linear Algebra, Vector Space, Linear map, Matrix representation, Prof. S. Hudson

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