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 <question type="category"><category><text>1MA 05. RECTES EN EL PLA/1MA.05.1 Equacions de la recta/1MA.05.1.4 Eq→ VectPuntPend</text></category></question>
 
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      <text>1MA.05.1.4.10DT EQRECTA→PUNTIVECTOR</text>
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<p><span style="font-size: large; color: #ffffcc;" data-mce-mark="1">Deduir vector i punt</span></p>
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<p><span style="color: #003300;"><span data-mce-mark="1"><strong><span style="font-size: small;" data-mce-mark="1">Equació vectorial:</span> </strong></span><strong style="line-height: 1.4;"><span style="font-size: small;" data-mce-mark="1"><span data-mce-mark="1">(x,y)=(x<sub>A</sub>,y<sub>A</sub>)+ k· (x<sub>V</sub>,y<sub>V</sub>)</span></span></strong></span></p>
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<td style="width: 250px; border: 1px solid #000066;"><span style="color: #003300;"><strong><span style="font-size: small;" data-mce-mark="1">Punt (x<sub>A</sub>,y<sub>A</sub>). Vector = (x<sub>V</sub>,y<sub>V</sub>)</span></strong></span></td>
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<td style="border: 1px solid #000066;"><span style="color: #003300;"><strong><span style="font-size: small;" data-mce-mark="1"><span data-mce-mark="1">Equacions paramètriques: </span></span></strong>«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨12px¨»«mfenced mathcolor=¨#003300¨ open=¨{¨ close=¨¨»«mtable»«mtr»«mtd»«mi mathvariant=¨bold¨»x«/mi»«mo mathvariant=¨bold¨»=«/mo»«msub»«mi mathvariant=¨bold¨»x«/mi»«mi mathvariant=¨bold¨»A«/mi»«/msub»«mo mathvariant=¨bold¨»+«/mo»«mi mathvariant=¨bold¨»k«/mi»«mo mathvariant=¨bold¨»§#183;«/mo»«msub»«mi mathvariant=¨bold¨»x«/mi»«mi mathvariant=¨bold¨»V«/mi»«/msub»«/mtd»«/mtr»«mtr»«mtd»«mi mathvariant=¨bold¨»y«/mi»«mo mathvariant=¨bold¨»=«/mo»«msub»«mi mathvariant=¨bold¨»y«/mi»«mi mathvariant=¨bold¨»A«/mi»«/msub»«mo mathvariant=¨bold¨»+«/mo»«mi mathvariant=¨bold¨»k«/mi»«mo mathvariant=¨bold¨»§#183;«/mo»«msub»«mi mathvariant=¨bold¨»y«/mi»«mi mathvariant=¨bold¨»V«/mi»«/msub»«/mtd»«/mtr»«/mtable»«/mfenced»«/mstyle»«/math»</span></td>
<td style="width: 250px; border: 1px solid #000066;" valign="top"><br /><span style="color: #003300;"><strong><span style="font-size: small;" data-mce-mark="1">Punt (x<sub>A</sub>,y<sub>A</sub>); vector = (x<sub>V</sub>,y<sub>V</sub>)</span></strong></span></td>
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<td style="border: 1px solid #000066;"><span style="color: #003300;"><strong><span style="font-size: small;" data-mce-mark="1">Equació contínua: «math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨12px¨»«mfrac mathcolor=¨#003300¨»«mrow»«mi mathvariant=¨bold¨»x«/mi»«mo mathvariant=¨bold¨»-«/mo»«msub»«mi mathvariant=¨bold¨»x«/mi»«mi mathvariant=¨bold¨»A«/mi»«/msub»«/mrow»«msub»«mi mathvariant=¨bold¨»x«/mi»«mi mathvariant=¨bold¨»V«/mi»«/msub»«/mfrac»«mo mathvariant=¨bold¨ mathcolor=¨#003300¨»=«/mo»«mfrac mathcolor=¨#003300¨»«mrow»«mi mathvariant=¨bold¨»y«/mi»«mo mathvariant=¨bold¨»-«/mo»«msub»«mi mathvariant=¨bold¨»y«/mi»«mi mathvariant=¨bold¨»A«/mi»«/msub»«/mrow»«msub»«mi mathvariant=¨bold¨»y«/mi»«mi mathvariant=¨bold¨»V«/mi»«/msub»«/mfrac»«/mstyle»«/math»</span></strong></span></td>
<td style="width: 250px; border: 1px solid #000066;"><br /><span style="color: #003300;"><strong><span style="font-size: small;" data-mce-mark="1">Punt (x<sub>A</sub>,y<sub>A</sub>); vector = (x<sub>V</sub>,y<sub>V</sub>)</span></strong></span></td>
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<td style="border: 1px solid #000066;"><span style="color: #003300;"><strong><span style="font-size: small;" data-mce-mark="1"><span data-mce-mark="1">Equació cartesiana: </span></span></strong><strong style="line-height: 1.4;"><span style="font-size: small;" data-mce-mark="1"><span data-mce-mark="1">a</span><span data-mce-mark="1">x + by + c = 0</span></span></strong></span></td>
<td style="width: 250px; border: 1px solid #000066;"><span style="color: #003300;"><strong><span style="font-size: small;" data-mce-mark="1">Punt (0,-c/b); vector= (-b,a)</span></strong></span></td>
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<td style="border: 1px solid #000066;"><span style="color: #003300;"><strong><span style="font-size: small;" data-mce-mark="1"><span data-mce-mark="1">Equació explícita: </span></span></strong><strong style="line-height: 1.4;"><span style="font-size: small;" data-mce-mark="1"><span data-mce-mark="1">y = mx+n</span></span></strong></span></td>
<td style="width: 250px; border: 1px solid #000066;"><span style="color: #003300;"><strong><span style="font-size: small;" data-mce-mark="1">Punt (0,n); vector = (1,m)</span></strong></span></td>
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<td style="border: 1px solid #000066;" colspan="2"><span style="color: #ff6600;"><strong><span style="font-size: small;">La cartesiana i l'explícita es poden transformar a paramètriques per a determinar un punt i un vector!</span></strong></span></td>
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