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85chacha
@85chacha
May 2019
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Bonsoir, (1ère S) pouvez-vous m'aidez à faire ce calcul avec la méthode de la FORME CANONIQUE svp?
-8x²+300x-2500=0
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Kathir93
Verified answer
Bonsoir,
-8x²+300x-2500=0
voici la forme canonique a(x-
α)-β
α=-b/2a
β=f(α)
a=-8 b=300 c=-2500
α=-300/16
α=-18.75
β(18.75)=-8x(18.75)²+300x18.75-2500
=312.5
Voici la forme canonique: -8(x+18.75)²+312.5
J'espère t'avoir aidé
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Verified answer
Bonsoir,-8x²+300x-2500=0
voici la forme canonique a(x-α)-β
α=-b/2a
β=f(α)
a=-8 b=300 c=-2500
α=-300/16
α=-18.75
β(18.75)=-8x(18.75)²+300x18.75-2500
=312.5
Voici la forme canonique: -8(x+18.75)²+312.5
J'espère t'avoir aidé