sample-midterm-exam-f08 - Math 550:391 Sample Exam Name:...

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Unformatted text preview: Math 550:391 Sample Exam Name: In-Class Part Print your name neatly. If you forget to write your name, or write so sloppy that I cant read it, you can lose all possible points on this exam! Answer all the questions that you can. Circle your answer. WARNING: This is a closed-book, closed-note, no-calcutator exam. Exam format: The exam has been divided into two equally weighted parts: Part 1 is elementary concepts problems. Part 2 is intermediate level calculation-based problems. Part 1 consists of 16 elementary level problems that test your understanding of the basic concepts. Each problem is worth 1 point. There will be no partial credit on any of these elementary problems. NO EXCEPTIONS! Do any 15 of the 16 problems. You may do all 16, but I will stop grading after you get the first 15 correct. In other words, you cannot earn more than 100% on this exam. Part 2 consists of two calculation-based questions with multiple parts. The value of each part is displayed next to the problem number. You must show your work. You will not receive credit for lucky guesses. Show your work as clearly as you can: if I cant understand how you got an answer, I will not give you credit for it. Grading Scheme for 3 point problems Each problem will be graded according to the following scheme: Minor algebra/calculus mistake with a correct approach: 2 out of 3 points given Major algebra/calculus mistake with a correct approach: 1 out of 3 points given Wrong approach: 0 points given The differences between major and minor mistakes will be determined by the instructor, not the student! This algorithm will be strictly enforced. No exceptions! DO NOT WRITE ON THIS PAGE IN THE SPACE BELOW 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17a 17b 18a 18b 18c Math 550:391, fall 08 Sample Exam Wayne Hacker 2008. 2 In problems 1-5 you are given the graph of x = f ( x ) on the xv-plane, where v = x is the velocity (rate of change of x ). Your job is to draw the flow field superimposed along the x-axis. Be sure to label all fixed points as stable, unstable, or half-stable with a solid dot, hollow dot, or half-hollow/half-solid dot. Use three arrows close togetherhollow dot, or half-hollow/half-solid dot....
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This note was uploaded on 02/28/2011 for the course MATH 550.391 taught by Professor Dr.hacker during the Fall '08 term at Johns Hopkins.

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sample-midterm-exam-f08 - Math 550:391 Sample Exam Name:...

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