Bonsoir, j'ai un exercice et je ne comprends pas, pouvez-vous m'aidez svp? Je dois dire la forme can.... Pergunta de ideia de85chacha

85chacha @85chacha

May 2019 1 108 Report

Bonsoir, j'ai un exercice et je ne comprends pas, pouvez-vous m'aidez svp?
Je dois dire la forme canonique de B(x)= -50x² + 1000x - 3750

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Commentaires Bonjour 85chacha

$B(x)=-50x^2+1000x-3750\\\\B(x)=-50(x^2-20x+75)\\\\B(x)=-50[(x^2-20x+100)-100+75]\\\\B(x)=-50[(x-10)^2-25]\\\\B(x)=-50(x-10)^2+50\times25\\\\\boxed{B(x)=-50(x-10)^2+1250}$

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