quiz3_answer

quiz3_answer - Math 251 Section 3 Spring 2010 Quiz 3 Name...

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Unformatted text preview: Math 251 Section 3 Spring 2010 Quiz 3 Name Work individually to answer these questions. (5 pts} 1. (1 pt) Sketch the points (0,5,2), (4,—1,0) and (2,4,6) in a single three-dimensional coordinate system. ‘1 (who) I I ‘l I.‘ I ‘~T(0,5iz) i \ 4' 0,4,0) 5 y )( 2. (1 pt) Sketch the graph of the equation ac : z in a 3-D coordinate system. )’ 3. (1 pt) Find an equation of the sphere that passes through the point (4, 3, —1) and has center (3, 8, 1). L244; Y‘ 5% 6w mai‘tLS of «km 5(3he/rel tm The, utmwiimn ofi SVHM ‘5 (M~%)2+ (y «3+ cz-o‘: 30 1 4. (1 pt) Given vectors a and b7 draw a + b and b — 3a. 5. (1 pt) Given a : i+ 2j — 3k and b = ~2i —j + k7 find (not draw) 2a + 3b and [a— b|. 1u+ $5: 2 (3+2) ‘3,” + 5L-3:-3+k) : -4.\ +3~3K &_b :((‘+2V)->,k)-(‘1“*3+\<) *2 5; +33 '4K ’__—_____________.____.___._. \a—4fl 1J3“? 52+(“Hz =(J34' ...
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This note was uploaded on 05/14/2010 for the course MATH 251 taught by Professor Cghen during the Spring '09 term at WVU.

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quiz3_answer - Math 251 Section 3 Spring 2010 Quiz 3 Name...

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