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Editing a Embedded answers (Cloze) - math & science question by WIRIS
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Test-Lidia
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<p><span style="color: #000066;"><strong>Un polinomi de 1r grau s'escriu P(x) = ax + b.<br /><br />Quins són els valors de a i b si P(#v_1) = #p_1 i P(#v_2) = #p_2?</strong></span><br /><br /><strong>a = {1:SA: ~=#a}<br /><br />b = {1:SA: ~=#b}</strong><br /><br /><br /><br /></p>
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<p><span style="color: #006600;"><strong>Primer substituïm x per #v_1 de manera que a · #v_1 + b = #p_1<br />fem el mateix amb #v_2 i ens queda a · #v_2 + b = #p_2.<br />Es pot resoldre el sistema per igualació, si s'aïlla b en cada equació.</strong></span></p>
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Monday, 13 July 2015, 2:20 PM
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