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# mid1t - Math 126 Winter 2007 Exam 1 Name Section Student ID...

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Math 126 - Winter 2007 Exam 1 January 25, 2007 Name: Section: Student ID Number: TA’s Name: 1 12 2 10 3 12 4 12 5 14 Total 60 You are allowed to use a scientific calculator (no graphing calculators) and one hand-written 8.5 by 11 inch page of notes. Put your name on your sheet of notes and turn it in with the exam. Check that your exam contains all the problems listed above. You must show your work on all problems. The correct answer with no supporting work may result in no credit. If you need more room, use the backs of the pages and indicate to the grader that you have done so. Raise your hand if you have a question. Any student found engaging in academic misconduct will receive a score of 0 on this exam. You have 50 minutes to complete the exam. GOOD LUCK!

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1. (12 points) Let ~a = < 3 , - 1 , 2 > and ~ b = 5 ~ i - 7 ~ j + 2 ~ k . (a) (4 points) The equation for a sphere is given by x 2 + ( y - 3) 2 + z 2 = 12 + 12 x - 4 z . Find the distance from the origin to the center of the sphere.
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mid1t - Math 126 Winter 2007 Exam 1 Name Section Student ID...

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