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<div style="text-align: center;"> <table style="border: 4px solid #003300; width: 400px; background-color: #ffffcc;" border="4" align="center"> <tbody> <tr> <td style="background-color: #003300;" align="center" valign="middle"><span style="color: #ffff99; font-size: large;">Punt d'intersecció: reducció</span></td> </tr> <tr> <td> <p style="text-align: justify;"><span style="color: #003300; font-size: small;" data-mce-mark="1"><strong><span style="font-size: small;" data-mce-mark="1">Si tens les equacions cartesianes, ho pots resoldre per reducció. </span></strong></span></p> <p style="text-align: justify;"><span style="color: #003300; font-size: small;" data-mce-mark="1"><strong>«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mrow mathcolor=¨#00007F¨»«mfenced mathcolor=¨#003300¨ open=¨{¨ close=¨}¨»«mtable»«mtr»«mtd»«mn mathvariant=¨bold¨ mathsize=¨12px¨»3«/mn»«mi mathvariant=¨bold¨ mathsize=¨12px¨»x«/mi»«mo mathvariant=¨bold¨ mathsize=¨12px¨»+«/mo»«mn mathvariant=¨bold¨ mathsize=¨12px¨»2«/mn»«mi mathvariant=¨bold-italic¨ mathsize=¨12px¨»y«/mi»«mo mathvariant=¨bold¨ mathsize=¨12px¨»=«/mo»«mn mathvariant=¨bold¨ mathsize=¨12px¨»8«/mn»«/mtd»«/mtr»«mtr»«mtd»«mo mathvariant=¨bold¨ mathsize=¨12px¨»-«/mo»«mn mathvariant=¨bold¨ mathsize=¨12px¨»2«/mn»«mi mathvariant=¨bold¨ mathsize=¨12px¨»x«/mi»«mo mathvariant=¨bold¨ mathsize=¨12px¨»-«/mo»«mn mathvariant=¨bold¨ mathsize=¨12px¨»3«/mn»«mi mathvariant=¨bold-italic¨ mathsize=¨12px¨»y«/mi»«mo mathvariant=¨bold¨ mathsize=¨12px¨»=«/mo»«mo mathvariant=¨bold¨ mathsize=¨12px¨»-«/mo»«mn mathvariant=¨bold¨ mathsize=¨12px¨»7«/mn»«/mtd»«/mtr»«/mtable»«/mfenced»«mo mathvariant=¨bold¨ mathcolor=¨#003300¨ mathsize=¨12px¨»§#8660;«/mo»«mfenced mathcolor=¨#003300¨ open=¨{¨ close=¨}¨»«mtable»«mtr»«mtd»«mn mathvariant=¨bold¨ mathsize=¨12px¨»6«/mn»«mi mathvariant=¨bold¨ mathsize=¨12px¨»x«/mi»«mo mathvariant=¨bold¨ mathsize=¨12px¨»+«/mo»«mn mathvariant=¨bold¨ mathsize=¨12px¨»4«/mn»«mi mathvariant=¨bold¨ mathsize=¨12px¨»y«/mi»«mo mathvariant=¨bold¨ mathsize=¨12px¨»=«/mo»«mn mathvariant=¨bold¨ mathsize=¨12px¨»16«/mn»«/mtd»«/mtr»«mtr»«mtd»«mo mathvariant=¨bold¨ mathsize=¨12px¨»-«/mo»«mn mathvariant=¨bold¨ mathsize=¨12px¨»6«/mn»«mi mathvariant=¨bold¨ mathsize=¨12px¨»x«/mi»«mo mathvariant=¨bold¨ mathsize=¨12px¨»-«/mo»«mn mathvariant=¨bold¨ mathsize=¨12px¨»9«/mn»«mi mathvariant=¨bold¨ mathsize=¨12px¨»y«/mi»«mo mathvariant=¨bold¨ mathsize=¨12px¨»=«/mo»«mo mathvariant=¨bold¨ mathsize=¨12px¨»-«/mo»«mn mathvariant=¨bold¨ mathsize=¨12px¨»21«/mn»«/mtd»«/mtr»«/mtable»«/mfenced»«mo mathvariant=¨bold¨ mathcolor=¨#003300¨ mathsize=¨12px¨».«/mo»«mo mathvariant=¨bold¨ mathcolor=¨#003300¨ mathsize=¨12px¨».«/mo»«mo mathvariant=¨bold¨ mathcolor=¨#003300¨ mathsize=¨12px¨».«/mo»«mo mathvariant=¨bold¨ mathcolor=¨#003300¨ mathsize=¨12px¨»§#160;«/mo»«mo mathvariant=¨bold¨ mathcolor=¨#003300¨ mathsize=¨12px¨»§#8658;«/mo»«mfenced mathcolor=¨#003300¨ open=¨{¨ close=¨}¨»«mtable»«mtr»«mtd»«mi mathvariant=¨bold¨ mathsize=¨12px¨»x«/mi»«mo mathvariant=¨bold¨ mathsize=¨12px¨»=«/mo»«mn mathvariant=¨bold¨ mathsize=¨12px¨»2«/mn»«/mtd»«/mtr»«mtr»«mtd»«mi mathvariant=¨bold¨ mathsize=¨12px¨»y«/mi»«mo mathvariant=¨bold¨ mathsize=¨12px¨»=«/mo»«mn mathvariant=¨bold¨ mathsize=¨12px¨»1«/mn»«/mtd»«/mtr»«/mtable»«/mfenced»«/mrow»«/math»</strong></span></p> <p style="text-align: justify;"><span style="color: #000080; font-size: small;" data-mce-mark="1"><strong><span style="color: #003300;">Es tallen en el punt (2,1).</span> </strong></span></p> <p style="text-align: center;"><span style="color: #008000; font-size: medium;"><strong>Si dona 0y=0, són coincidents. </strong></span></p> <p style="text-align: center;"><span style="color: #008000;" data-mce-mark="1"><strong><span style="font-size: medium;" data-mce-mark="1"><span data-mce-mark="1">S</span>i dona 0y≠0, són paral·leles.</span></strong></span></p> </td> </tr> </tbody> </table> </div> <div style="text-align: center;"> </div>
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