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<p><span style="font-weight: bold; color: #003300;" data-mce-mark="1">Resol: #e #v 0</span><br /><br /><strong><span style="color: #ff3300;" data-mce-mark="1">Format de la resposta:</span></strong></p> <p><span style="font-family: verdana,arial,helvetica,sans-serif;" data-mce-mark="1">Entre dos nombres: «math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mn»3«/mn»«mo»§lt;«/mo»«mi»x«/mi»«mo»§#8743;«/mo»«mi»x«/mi»«mo»§lt;«/mo»«mn»5«/mn»«mo»§#160;«/mo»«mo»§#160;«/mo»«mo»§#160;«/mo»«mo»§#160;«/mo»«mo»(«/mo»«mo»§#8743;«/mo»«mo»=«/mo»«mi»i«/mi»«mo»)«/mo»«/math» </span></p> <p><span style="font-family: verdana,arial,helvetica,sans-serif;">Altra situació: «math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mi»x«/mi»«mo»§lt;«/mo»«mo»-«/mo»«mn»2«/mn»«mo»§#8744;«/mo»«mi»x«/mi»«mo»§#62;«/mo»«mn»3«/mn»«mo»§#160;«/mo»«mo»§#160;«/mo»«mo»§#160;«/mo»«mo»§#160;«/mo»«mo»§#160;«/mo»«mo»(«/mo»«mo»§#8744;«/mo»«mo»=«/mo»«mi»o«/mi»«mo»)«/mo»«/math»</span></p>
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<p><span style="color: #0000ff;"><strong>Els intervals solució queden definits per</strong> #sol</span></p>
No, case is unimportant
Yes, case must match
Correct answers
You must provide at least one possible answer. The first matching answer will be used to determine the score and feedback. Click the icon next to the answer field to edit the mathematical properties of the answer and the question.
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
<p><span style="font-weight: bold; color: #cc0099;"> </span></p>
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="font-weight: bold; color: #0000ff;">Cal fer la taula de signes per veure que:</span></p> <ul> <li style="font-weight: bold; color: #009900;"><span style="color: #0000ff;">pels valors de x inferiors a #x_1, l'expressió és #m_1 (#n_1 #a)</span></li> <li style="font-weight: bold; color: #009900;"><span style="color: #0000ff;">pels valors de x entre #x_1 i #x_2, l'expressió és #m_2 (#n_2 #a)</span></li> <li style="font-weight: bold; color: #009900;"><span style="color: #0000ff;">pels valors de x superiors a #x_2, l'expressió és #m_1 (#n_1 #a)</span></li> </ul> <div style="text-align: justify;"> <div style="text-align: center;"> <div style="text-align: left;"> </div> <table style="background-color: #ffffcc; background-image: none; color: #006600; border: 3px solid #006600; float: none; text-align: left; vertical-align: middle; margin-left: auto; margin-right: auto; width: 400px;" border="3" frame="box" rules="all"> <tbody> <tr> <td style="border: 1px solid #336600;"><span style="font-size: small;">x</span></td> <td style="border: 1px solid #336600;"><span style="font-size: small;">-∞</span></td> <td style="border: 1px solid #336600;" align="center" valign="middle"><span style="font-size: small;">#x_1</span></td> <td style="border: 1px solid #336600;" align="center" valign="middle"><span style="font-size: small;"> </span></td> <td style="border: 1px solid #336600;" align="center" valign="middle"><span style="font-size: small;">#x_2</span></td> <td style="border: 1px solid #336600; text-align: right;"><span style="font-size: small;">+∞</span></td> </tr> <tr> <td style="border: 1px solid #336600;"><span style="font-size: small;">#n</span></td> <td style="width: 100px; border: 1px solid #336600;" align="center" valign="middle"><span style="font-size: small;">#d3 </span></td> <td style="border: 1px solid #336600;" align="center" valign="middle"><span style="color: #000000; font-size: small;"> <span data-mce-mark="1">0</span></span></td> <td style="width: 100px; border: 1px solid #336600;" align="center" valign="middle"><span style="font-size: small;">#d4 </span></td> <td style="border: 1px solid #336600;" align="center" valign="middle"><span style="font-size: small;"> </span></td> <td style="width: 100px; border: 1px solid #336600;" align="center" valign="middle"><span style="font-size: small;"> #d5</span></td> </tr> <tr> <td style="border: 1px solid #336600;"><span style="font-size: small;">#d</span></td> <td style="width: 100px; border: 1px solid #336600;" align="center" valign="middle"><span style="font-size: small;">#d6</span></td> <td style="border: 1px solid #336600;" align="center" valign="middle"><span style="font-size: small;"> </span></td> <td style="width: 100px; border: 1px solid #336600;" align="center" valign="middle"><span style="font-size: small;">#d7</span></td> <td style="border: 1px solid #336600;" align="center" valign="middle"><span style="color: #000000; font-size: small;" data-mce-mark="1">0</span></td> <td style="width: 100px; border: 1px solid #336600;" align="center" valign="middle"><span style="font-size: small;">#d8</span></td> </tr> <tr> <td style="border: 1px solid #336600;"><span style="font-size: small;">#e</span></td> <td style="width: 100px; border: 1px solid #336600;" align="center" valign="middle"><span style="font-size: small;">#s_1</span></td> <td style="border: 1px solid #336600;" align="center" valign="middle"><span style="font-size: small;">0</span></td> <td style="width: 100px; border: 1px solid #336600;" align="center" valign="middle"><span style="font-size: small;">#s_2</span></td> <td style="border: 1px solid #336600; background-color: #000000;" align="center" valign="middle"><span style="font-size: small;"> </span></td> <td style="width: 100px; border: 1px solid #336600;" align="center" valign="middle"><span style="font-size: small;">#s_1</span></td> </tr> </tbody> </table> </div> </div> <p> </p> <p><span style="color: #0000ff;"><strong>i l'enunciat demana que l'expressió sigui #sig</strong></span></p>
Hint 2
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Thursday, 23 August 2018, 11:08 AM
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