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Editing a short answer - math & science question by WIRIS
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<p><span style="color: #003300;"><strong>Quina l'equació contínua de la recta que passa pel punt «math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨12px¨»«mrow»«mi mathvariant=¨bold-italic¨»A«/mi»«mfenced»«mrow»«mo mathvariant=¨bold¨»#«/mo»«mi mathvariant=¨bold¨»a«/mi»«mn mathvariant=¨bold¨»1«/mn»«mo mathvariant=¨bold¨»,«/mo»«mo mathvariant=¨bold¨»#«/mo»«mi mathvariant=¨bold¨»a«/mi»«mn mathvariant=¨bold¨»2«/mn»«/mrow»«/mfenced»«/mrow»«/mstyle»«/math» i que té per vector director «math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨12px¨»«mrow»«mover mathcolor=¨#003300¨»«mi mathvariant=¨bold¨»v«/mi»«mo mathvariant=¨bold¨»§#8594;«/mo»«/mover»«mo mathvariant=¨bold¨ mathcolor=¨#003300¨»=«/mo»«mfenced mathcolor=¨#003300¨»«mrow»«mo mathvariant=¨bold¨»#«/mo»«mi mathvariant=¨bold¨»v«/mi»«mn mathvariant=¨bold¨»1«/mn»«mo mathvariant=¨bold¨»,«/mo»«mo mathvariant=¨bold¨»#«/mo»«mi mathvariant=¨bold¨»v«/mi»«mn mathvariant=¨bold¨»2«/mn»«/mrow»«/mfenced»«/mrow»«/mstyle»«/math»?</strong></span></p> <p><span style="text-decoration: underline; color: #ff6600;"><strong><span style="text-decoration: underline;"> </span></strong></span></p>
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Answer 1
Answer
Grade
None
100%
90%
83.33333%
80%
75%
70%
66.66667%
60%
50%
40%
33.33333%
30%
25%
20%
16.66667%
14.28571%
12.5%
11.11111%
10%
5%
Feedback
Answer 2
Answer
Grade
None
100%
90%
83.33333%
80%
75%
70%
66.66667%
60%
50%
40%
33.33333%
30%
25%
20%
16.66667%
14.28571%
12.5%
11.11111%
10%
5%
Feedback
Settings for multiple tries
Penalty for each incorrect try
100%
50%
33.33333%
25%
20%
10%
0%
Hint 1
Hint text
<p><span style="color: #0000ff;"><strong>Cal restar el <span style="color: #ff0000;">punt</span> en els numeradors i posar el <span style="color: #008000;">vector</span> en els denominadors:</strong></span></p> <p><span style="color: #0000ff;"><strong>«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mfrac»«mrow»«mi mathvariant=¨bold¨»x«/mi»«mo mathvariant=¨bold¨»-«/mo»«mo mathcolor=¨#FF0000¨ mathvariant=¨bold¨»(«/mo»«mo mathcolor=¨#FF0000¨ mathvariant=¨bold¨»#«/mo»«mi mathcolor=¨#FF0000¨ mathvariant=¨bold¨»a«/mi»«mn mathcolor=¨#FF0000¨ mathvariant=¨bold¨»1«/mn»«mo mathcolor=¨#FF0000¨ mathvariant=¨bold¨»)«/mo»«/mrow»«mrow»«mo mathcolor=¨#007F00¨ mathvariant=¨bold¨»#«/mo»«mi mathcolor=¨#007F00¨ mathvariant=¨bold¨»v«/mi»«mn mathcolor=¨#007F00¨ mathvariant=¨bold¨»1«/mn»«/mrow»«/mfrac»«mo mathvariant=¨bold¨»=«/mo»«mfrac»«mrow»«mi mathvariant=¨bold¨»y«/mi»«mo mathvariant=¨bold¨»-«/mo»«mo mathcolor=¨#FF0000¨ mathvariant=¨bold¨»(«/mo»«mo mathcolor=¨#FF0000¨ mathvariant=¨bold¨»#«/mo»«mi mathcolor=¨#FF0000¨ mathvariant=¨bold¨»a«/mi»«mn mathcolor=¨#FF0000¨ mathvariant=¨bold¨»2«/mn»«mo mathcolor=¨#FF0000¨ mathvariant=¨bold¨»)«/mo»«/mrow»«mrow»«mo mathcolor=¨#007F00¨ mathvariant=¨bold¨»#«/mo»«mi mathcolor=¨#007F00¨ mathvariant=¨bold¨»v«/mi»«mn mathcolor=¨#007F00¨ mathvariant=¨bold¨»2«/mn»«/mrow»«/mfrac»«/math»</strong></span></p> <p> </p>
Hint 2
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Created
by
Admin User
on
Thursday, 23 August 2018, 4:18 PM
Last saved
by
Admin User
on
Thursday, 23 August 2018, 4:18 PM
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