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Test-Lidia
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<p><span style="color: #003300;" data-mce-mark="1"><strong><span data-mce-mark="1">Amb el sistema:</span></strong></span><span style="color: #000066;" data-mce-mark="1"><strong><span style="color: #003300;"> </span> «math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨14px¨»«mfenced mathcolor=¨#003300¨ open=¨{¨ close=¨}¨»«mtable»«mtr»«mtd»«mo mathvariant=¨bold¨»#«/mo»«mi mathvariant=¨bold¨»e«/mi»«mn mathvariant=¨bold¨»1«/mn»«/mtd»«/mtr»«mtr»«mtd»«mo mathvariant=¨bold¨»#«/mo»«mi mathvariant=¨bold¨»e«/mi»«mn mathvariant=¨bold¨»2«/mn»«/mtd»«/mtr»«/mtable»«/mfenced»«/mstyle»«/math»<br /></strong></span></p> <p><span style="color: #000066;"><strong><span style="color: #003300;">a) Aïlla la variable més fàcil d'aïllar</span> <span style="color: #ff6600;">(Format: </span></strong></span>x=y+2<span style="color: #000066;"><strong><span style="color: #ff6600;">)</span><br /></strong></span></p> <p><span style="color: #003300;"><strong>b) Calcula el valor de x en la solució </strong></span></p> <p><span style="color: #003300;"><strong>c) Calcula el valor de y en la solució</strong></span></p> <p><span style="color: #000066;"><strong><span style="color: #ff6600;">Format de x i y:</span> </strong></span> nombre enter o fracció <span style="text-decoration: underline;"><strong>SIMPLIFICADA</strong></span><br /><br /><br /><br /></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
<div align="justify"><span style="color: #006600;"><strong>Com que el coeficient de #w és 1 en la primera equació, aïllem #w: #w1</strong></span></div> <div align="justify"><span style="color: #006600;"><strong> i substituïm #w per #w11 en l'altra equació per trobar #w2<br /></strong></span></div> <div align="justify"><span style="color: #006600;"><strong> </strong></span></div> <div align="justify"><strong> </strong> </div> <div align="justify"><span style="color: #ff0000;"><strong>UNA FRACCIÓ NO SIMPLIFICADA ÉS INCORRECTA</strong></span></div>
Hint 2
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Thursday, 23 August 2018, 11:09 AM
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on
Thursday, 23 August 2018, 11:09 AM
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