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<p>Obter o vetor unitário ortogonal aos vetores:</p> <p>«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mover»«mi»a«/mi»«mo»§#8640;«/mo»«/mover»«mo»=«/mo»«/math»(#a, #b, #c) e «math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mover»«mi»b«/mi»«mo»§#8640;«/mo»«/mover»«mo»=«/mo»«/math»(#d, #e, #f).</p> <div> <div style="text-align: center;"> </div> </div>
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<p style="text-align: justify;">O vetor unitário ortogonal aos vetores «math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mover»«mi»a«/mi»«mo»§#8640;«/mo»«/mover»«/math» e «math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mover»«mi»b«/mi»«mo»§#8640;«/mo»«/mover»«/math» será o vetor dado por:</p> <p style="text-align: center;">«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mi»u«/mi»«mi»n«/mi»«mi»i«/mi»«mi»t«/mi»«mi»a«/mi»«mi»r«/mi»«mi»i«/mi»«mi»o«/mi»«mo»=«/mo»«mfrac»«mover»«mi»u«/mi»«mo»§#8640;«/mo»«/mover»«mfenced open=¨||¨ close=¨||¨»«mover»«mi»u«/mi»«mo»§#8640;«/mo»«/mover»«/mfenced»«/mfrac»«mo»=«/mo»«mfrac»«mrow»«mover»«mi»a«/mi»«mo»§#8640;«/mo»«/mover»«mo»§#215;«/mo»«mover»«mi»b«/mi»«mo»§#8640;«/mo»«/mover»«/mrow»«mfenced open=¨||¨ close=¨||¨»«mrow»«mover»«mi»a«/mi»«mo»§#8640;«/mo»«/mover»«mo»§#215;«/mo»«mover»«mi»b«/mi»«mo»§#8640;«/mo»«/mover»«/mrow»«/mfenced»«/mfrac»«/math»</p> <p style="text-align: center;">«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mover»«mi»u«/mi»«mo»§#8640;«/mo»«/mover»«mo»=«/mo»«mover»«mi»a«/mi»«mo»§#8640;«/mo»«/mover»«mstyle displaystyle=¨false¨»«mo»§#215;«/mo»«/mstyle»«mstyle displaystyle=¨false¨»«mover»«mi»b«/mi»«mo»§#8640;«/mo»«/mover»«/mstyle»«mstyle displaystyle=¨false¨»«mo»=«/mo»«/mstyle»«mstyle displaystyle=¨false¨»«mo»(#a, #b, #c)«/mo»«/mstyle»«mstyle displaystyle=¨false¨»«mo»§#215;«/mo»«/mstyle»«mstyle displaystyle=¨false¨»«mo»(#d, #e, #f).«/mo»«/mstyle»«mstyle displaystyle=¨false¨»«mo»=«/mo»«/mstyle»«mstyle displaystyle=¨false¨»«mfenced open=¨|¨ close=¨|¨»«mtable»«mtr»«mtd»«mover»«mi»i«/mi»«mo»§#8640;«/mo»«/mover»«/mtd»«mtd»«mover»«mi»j«/mi»«mo»§#8640;«/mo»«/mover»«/mtd»«mtd»«mover»«mi»k«/mi»«mo»§#8640;«/mo»«/mover»«/mtd»«/mtr»«mtr»«mtd»«mo»#«/mo»«mi»a«/mi»«/mtd»«mtd»«mo»#«/mo»«mi»b«/mi»«/mtd»«mtd»«mo»#«/mo»«mi»c«/mi»«/mtd»«/mtr»«mtr»«mtd»«mo»#«/mo»«mi»d«/mi»«/mtd»«mtd»«mo»#«/mo»«mi»e«/mi»«/mtd»«mtd»«mo»#«/mo»«mi»f«/mi»«/mtd»«/mtr»«/mtable»«/mfenced»«/mstyle»«/math»</p> <p style="text-align: center;">«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mover»«mi»u«/mi»«mo»§#8640;«/mo»«/mover»«mstyle displaystyle=¨false¨»«mo»=«/mo»«/mstyle»«mstyle displaystyle=¨false¨»«mo»(«/mo»«/mstyle»«mstyle displaystyle=¨false¨»«mi»#x, #y, #z)«/mi»«/mstyle»«/math»</p> <p style="text-align: center;">«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle displaystyle=¨false¨»«mfenced open=¨§#8214;¨ close=¨§#8214;¨»«mover»«mi»u«/mi»«mo»§#8640;«/mo»«/mover»«/mfenced»«/mstyle»«mo»=«/mo»«mstyle displaystyle=¨false¨»«mfenced open=¨§#8214;¨ close=¨§#8214;¨»«mrow»«mover»«mi»a«/mi»«mo»§#8640;«/mo»«/mover»«mo»§#215;«/mo»«mover»«mi»b«/mi»«mo»§#8640;«/mo»«/mover»«/mrow»«/mfenced»«/mstyle»«mo»=«/mo»«msqrt»«msubsup»«mi»u«/mi»«mi»x«/mi»«mn»2«/mn»«/msubsup»«mo»+«/mo»«msubsup»«mi»u«/mi»«mi»y«/mi»«mn»2«/mn»«/msubsup»«mo»+«/mo»«msubsup»«mi»u«/mi»«mi»z«/mi»«mn»2«/mn»«/msubsup»«/msqrt»«mo»=«/mo»«msqrt»«mo»(«/mo»«mo»#«/mo»«mi»x«/mi»«msup»«mo»)«/mo»«mn»2«/mn»«/msup»«mo»+«/mo»«mo»(«/mo»«mo»#«/mo»«mi»y«/mi»«msup»«mo»)«/mo»«mn»2«/mn»«/msup»«mo»+«/mo»«mo»(«/mo»«mo»#«/mo»«mi»z«/mi»«msup»«mo»)«/mo»«mn»2«/mn»«/msup»«/msqrt»«/math»</p> <p style="text-align: center;">«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle displaystyle=¨false¨»«mfenced open=¨§#8214;¨ close=¨§#8214;¨»«mover»«mi»u«/mi»«mo»§#8640;«/mo»«/mover»«/mfenced»«/mstyle»«mo»=«/mo»«mo»#«/mo»«mi»u«/mi»«/math»</p> <p style="text-align: center;">«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mi»u«/mi»«mi»n«/mi»«mi»i«/mi»«mi»t«/mi»«mi»a«/mi»«mi»r«/mi»«mi»i«/mi»«mi»o«/mi»«mo»=«/mo»«mfrac»«mover»«mi»u«/mi»«mo»§#8640;«/mo»«/mover»«mfenced open=¨||¨ close=¨||¨»«mover»«mi»u«/mi»«mo»§#8640;«/mo»«/mover»«/mfenced»«/mfrac»«mo»=«/mo»«mfrac»«mrow»«mo»(#«/mo»«mi»x«/mi»«mo», #«/mo»«mi»y«/mi»«mo», #«/mo»«mi»z«/mi»«mo»)«/mo»«/mrow»«mrow»«mo»#«/mo»«mi»u«/mi»«/mrow»«/mfrac»«/math»</p> <p style="text-align: center;">«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mi»u«/mi»«mi»n«/mi»«mi»i«/mi»«mi»t«/mi»«mi»a«/mi»«mi»r«/mi»«mi»i«/mi»«mi»o«/mi»«mo»=«/mo»«mo»(«/mo»«mo»#«/mo»«mi»x«/mi»«mi»x«/mi»«mo»,«/mo»«mo»#«/mo»«mi»y«/mi»«mi»y«/mi»«mo»,«/mo»«mo»#«/mo»«mi»z«/mi»«mi»z«/mi»«mo»)«/mo»«/math»</p>
One or multiple answers?
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Number the choices?
a., b., c., ...
A., B., C., ...
1., 2., 3., ...
i., ii., iii., ...
I., II., III., ...
No numbering
WIRIS variables
Algorithm
Choice 1
Answer
<p><span>(#xx; #yy; #zz)</span></p>
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Choice 2
Answer
<p><span>(#x; #y; #z)</span></p>
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Choice 3
Answer
<p><span>(#xe1; #ye1; #ze1)</span></p>
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None
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Choice 4
Answer
<p><span>(#xe2; #ye2; #ze2)</span></p>
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None
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Choice 5
Answer
<p>Nenhuma das alternativas</p>
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Choice 6
Answer
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None
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Feedback
Choice 7
Answer
Grade
None
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83.33333%
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66.66667%
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Feedback
Choice 8
Answer
Grade
None
100%
90%
83.33333%
80%
75%
70%
66.66667%
60%
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33.33333%
30%
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Feedback
Combined feedback
For any correct response
<p>Sua resposta está correta.</p>
For any partially correct response
<p>Sua resposta está parcialmente correta.</p>
Options
Show the number of correct responses once the question has finished
For any incorrect response
<p>Sua resposta está incorreta.</p>
Settings for multiple tries
Penalty for each incorrect try
100%
50%
33.33333%
25%
20%
10%
0%
Hint 1
Hint text
Options
Clear incorrect responses
Show the number of correct responses
Hint 2
Hint text
Options
Clear incorrect responses
Show the number of correct responses
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Created
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Admin User
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Tuesday, 17 September 2013, 4:24 PM
Last saved
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Tuesday, 17 September 2013, 4:24 PM
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