ww 10.6a

ww 10.6a - E-mail instructor button on each problem page to...

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Jennifer Wong Shotwell MAT 267 Fall 2008 79670 WeBWorK assignment number 10.6a is due : 09/07/2008 at 11:59pm MST. The primary purpose of WeBWorK is to let you know that you are getting the correct answer or to alert you if you are making some kind of mistake. Usually you can attempt a problem as many times as you want before the due date. However, if you are having trouble figuring out your error, you should consult the book, or ask a fellow student, one of the TA’s or your professor for help. Don’t spend a lot of time guessing – it’s not very efficient or effective. Give 4 or 5 significant digits for (floating point) numerical answers. For most problems when entering numerical answers, you can if you wish enter elementary expressions such as 2 3 instead of 8, sin ( 3 * pi / 2 ) instead of -1, e ( ln ( 2 )) instead of 2, ( 2 + tan ( 3 )) * ( 4 - sin ( 5 )) 6 - 7 / 8 instead of 27620.3413, etc. Here’s the list of the functions which WeBWorK understands. You can use the
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Unformatted text preview: E-mail instructor button on each problem page to send e-mail to the professors. 1. (1 pt) Match the surfaces with the appropriate descriptions. 1. x 2 + 2 y 2 + 3 z 2 = 1 2. z = 2 x + 3 y 3. z = x 2 4. z = 2 x 2 + 3 y 2 5. z = 4 6. z = y 2-2 x 2 7. x 2 + y 2 = 5 A. hyperbolic paraboloid B. elliptic paraboloid C. circular cylinder D. horizontal plane E. ellipsoid F. parabolic cylinder G. nonhorizontal plane Correct Answers: • E • G • F • B • D • A • C 2. (1 pt) Match the equation with its graph labeled A-H. You may click on any image to get a larger view. A. B. 1 C. D. E. F. 1. x 2-y 2 + z 2 = 1 2. 9 x 2 + 4 y 2 + z 2 = 1 3. x 2 + 2 z 2 = 1 4. x 2 + 4 y 2 + 9 z 2 = 1 5. y 2 = x 2 + 2 z 2 6. y = x 2-z 2 Correct Answers: • D • C • B • A • E • F Generated by the WeBWorK system c ± WeBWorK Team, Department of Mathematics, University of Rochester 2...
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This note was uploaded on 10/05/2008 for the course MAT 267 taught by Professor Brewer during the Spring '08 term at ASU.

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ww 10.6a - E-mail instructor button on each problem page to...

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