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2 Pages

### quiz_6_soln

Course: MA 323, Fall 2009
School: Wisc Platteville
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Word Count: 181

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323 Math Quiz 6 March 12, 2009 Name: KEY Show your work for full credit. 1. Let W we the set of all vectors of the form 2a - 3b a + 5b - c 0 -2b + c where a, b and c represent arbitrary real numbers. Find a set S of vectors that spans W . 2a - 3b a + 5b - c 0 -2b + c = a 2 1 0 0 + b -3 5 0 -2 + c 0 -1 0 1 -3 0 2 1 5 -1 S =...

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323 Math Quiz 6 March 12, 2009 Name: KEY Show your work for full credit. 1. Let W we the set of all vectors of the form 2a - 3b a + 5b - c 0 -2b + c where a, b and c represent arbitrary real numbers. Find a set S of vectors that spans W . 2a - 3b a + 5b - c 0 -2b + c = a 2 1 0 0 + b -3 5 0 -2 + c 0 -1 0 1 -3 0 2 1 5 -1 S = , , 0 0 0 0 -2 1 2. Let A = 1 -5 3 0 . 0 0 -1 0 (a) Find a set of vectors that span ColA. ColA = Span (b) Find a set of vectors span that NulA. 1 -5 3 0 0 0 -1 0 x1 x2 x3 x4 1 0 , -1 3 - 1 -5 0 0 0 0 1 0 = is = is 5x2 free 0 free x= 5x2 x2 0 x4 = x2 5 1 0 0 + x4 0 0 0 1 0 5 1 0 NulA = Span , 0 0 0 1 3. Prove that the kernel of a linear transformation T from a vector space V ...

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Wisc Platteville - MA - 323
Math 323 Quiz 3 February 19, 2009 1. Let A =Name: SOLUTIONS Show your work for full credit.3 2 . Compute (4I2 ) A and 4I2 A. 1 5 (4I2 ) A = 4I2 A = 1 2 2 5 4 0 0 4 4 0 0 4 3 2 1 5 3 2 1 5 = = 12 8 4 20 7 2 1 12. If A =and AB =1 2 1 , det
Hudson VCC - NR - 205
NR 205 - Ecosystem Management(Spring 2008, Tues., May 6, 8:00 am)Potential Essay Questions for the Final Exam 1. You have been hired as a staff assistant to one of our Presidential candidates and asked to analyze the legal mandates for ecosystem m
Hudson VCC - BOTANY - 104
PBIO 104 Syllabus Plant Physiology Spring 2009Contacting us: Dr. Jeanne Harris Marsh Life Sciences 334 Jeanne.Harris@uvm.edu 656-2933 T.A. Yucan Zhang Marsh Life Sciences 334 656-0894 Yucan.Zhang@uvm.edu Lecture: Tues./Thurs 11:30 am-12:45 pm in Ma
Hudson VCC - BOTANY - 104
Spring 2009 Lab ScheduleWeek Week # starting 1/12 1 1/19 2 1/26 3 2/2 4 2/9 5Lab No Lab No Lab Exp. 1: IRT1 Exp 2: Chlorophyll content Exp. 1: finish IRT1 Paper Discussion Exp. 3: Chloroplast movement Exp. 4: Nodulation Week 1 PLANT TOMATOES! Exp
Hudson VCC - BOTANY - 104
Cool Plant Presentation!There is a huge diversity of plant life out there. In class we tend to discuss the aspects of plant physiology that plants have in common. But many plants have interesting specializations of their physiology. Sometimes, these
Hudson VCC - BOTANY - 104
Breaking sugar down to harness energy.In this section of the course we covered 4 Pathways: 1. Glycolysis 2. Fermentation 3. Krebs Cycle (=TCA cycle, = citric acid cycle) 4. Electron transport chain Please check &quot;Tips for studying a Pathway&quot; on the w
Hudson VCC - BOTANY - 104
Things to know about light capture in Photosynthesis:Reduced means the molecule has more electrons than before. Oxidized means the molecule has fewer electrons than before. Electrons pulled from water go next to _. What is the final electron accepto
Hudson VCC - BOTANY - 104
Solute TransportChapter 6 Name _1. Solutes can be transported across a membrane using either active or passive transport. Please explain the difference between these two processes. (2 points)2. Please give examples of 2 kinds of transporters tha
Hudson VCC - BOTANY - 104
Membrane Potential E = the work required to move an ion from one sideof the membrane to the other+ + + + + + + + + + +++Valence of the ion (charge)G =zFEFaradays constantMembrane Potential E = the work required to move an ion from one s
Hudson VCC - BOTANY - 104
Quiz Name_ Date_ Lab section_ Answer 2 out of 3. 1. Why does nitrogen fixation require low oxygen conditions?2. What kind of bacteria forms nitrogen-fixing nodules with legumes?3. What is the name of the enzyme complex that fixes N2?
Hudson VCC - PHYS - 031
University of Vermont Physics 31: Unit I TestName: _ September 23, 2005Instructions 1. 2. 3. Books, notes or calculators are not allowed in this examination. Writing materials are the only items you are allowed to use. Units, signs and significan
Hudson VCC - CHEM - 205
Answer KeyCHEM/BIOC/MMG 205 October 23, 2006 BIOCHEMISTRY I EXAM IIRead the questions carefully. Extra pages are available. Put your name on every page. This exam is a closed-book, closed-notes exam. No outside material may be used and you may no
Hudson VCC - CHEM - 042
Chemistry 42/44WebCT Practice Quiz 1 Answer Key _ 1. Fluoxetine (the trivial name for the compound shown below) is marketed as the drug Prozac. Which of the chemical bonds present in this molecule is the most polar? Answer: Of the choices of bonds g
Hudson VCC - CHEM - 042
Chemistry 42/44Introductory Organic Chemistry Syllabus Spring 2009Instructor Thomas S. Hughes Cook A316 656-0161 Thomas.S.Hughes@uvm.edu Lectures MWF 9:35 10:25 AM Angell B106 Laboratories MW 12:50 3:35 PM TR 1:00 3:45 PM M 5:10 7:55 PM T 8:30
Hudson VCC - CHEM - 042
Chemistry 42/44WebCT Graded Quiz 1 Answer Key _1. Which statement about tetramethylpiperidine oxide (usually called TEMPO) is NOT true? a. The oxygen has an unfilled valence shell. b. The nitrogen has an unfilled valence shell. H3C c. It is a hete
Hudson VCC - CHEM - 042
Hudson VCC - CHEM - 042
The key for the quiz will be posted after the quiz is over.
Hudson VCC - EXERCISE - 8
Answers to Exercise 8 Logistic Population Models1. Inspect your graph of Nt against time. You should see the following: Population size increases slowly at first, then accelerates (the curve gets steeper), then decelerates (the curve gets less stee
Hudson VCC - EXERCISE - 30
Answers to Exercise 30 Landscape Ecology: Quantifying Landscape Patterns1. Changing the definition of a patch (as in Figure 2) alters many of the patch level metrics computed for a given landscape. For instance, if you consider a patch to be a cell
Hudson VCC - EXERCISE - 31
Answers to Exercise 31 Edge Effects and Ecological Traps1. The total population increases exponentially and does not reach K within 50 years. This positive growth occurs because there is a significant amount of core habitat, and 80% of the juveniles
Hudson VCC - EXERCISE - 9
Answers to Exercise 9 Island Biogeography1. Note in Figure 2 that as species richness increases, immigration rate decreases, and extinction rate increases. At some value of species richness, the two lines cross, indicating that immigration and extin
Hudson VCC - EXERCISE - 17
Answers to Exercise 17 Source-Sink Dynamics1. The source reaches an equilibrium number at year 3, when the carrying capacity (K) has been reached. The source population remains at K because excess individuals are forced to emigrate to the sink habit
Hudson VCC - EXERCISE - 16
Answers to Exercise 16 Metapopulation Dynamics1. In our simulation, the population never reaches an equilibrium point, calculated as f = 0.75, where the fraction of patches remains constant over time.Fraction of Patches Occupied over Time1 0.9 0.8
Hudson VCC - EXERCISE - 29
Answers to Exercise 29 Harvest ModelsFixed-Quota versus Fixed-Effort: First Questions QUESTIONS 1. What are the effects of different values of R and K on catches and population sizes in the two harvest models? 2. What are the effects of different va
Hudson VCC - EXERCISE - 33
Answers to Exercise 33 Reserve Design1. The optimal habitat proportion is 16% habitat 1 and 84% habitat 2, producing 20 individuals of species 1 and 18 individuals of species 2, for a total abundance of 38 individuals of both species. You can't reac
Hudson VCC - EXERCISE - 18
Answers to Exercise 18 Population Estimation and Mark-Recapture Techniques1. If M = 20 and C is low, when you press F9 several times you should see that the LincolnPetersen index is poorly estimated and quite variable. Often (but not always) the ind
Hudson VCC - EXERCISE - 22
Answers Exercise 22 Gene Flow and Population Structure1. The equilibrium allele frequencies are A1 = 0.3 and A2 = 0.7. As m increases, the two subpopulations converge on the equilibrium value more quickly.Subpop 1 1 Frequency of A1 ( p ) 0.8 0.6 0
Hudson VCC - EXERCISE - 10
Answers to Exercise 10 Life Tables, Survivorship Curves, and Population Growth1. We plot survivorship curves on semi-log graphs because lx is a proportion: the proportion of the original cohort surviving to age x. The distance between points on a l
Hudson VCC - EXERCISE - 12
Answers to Exercise 12 Stage-Structured Matrix Models1. The assumptions of the matrix model are the same as those for exponential growth, except that age structure has been accounted for. In other words, once we account for age, the populations fin
Hudson VCC - EXERCISE - 11
Answers to Exercise 11 Age-Structured Matrix Models1. All age classes are increasing geometrically over time. Although is difficult to determine by examining the graph, it must be greater than 1 in order for geometric increases to occur. 2. At year
Hudson VCC - EXERCISE - 34
Answers to Exercise 34 VBA Landscape ProgrammingThere are no specific answers to these questions.