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Secondary IV • 1yr.

Pq c’est sur 16 ??

merci

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Mathématiques
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    1yr. edited February 2024

    Salut :D

    Si tu connais les zéros (-2,0) et (8,0) ainsi que l'ordonnée à l'origine (0,-5), alors y = a(x+2)(x-8).

    Quand x= 0 y = -5 (ordonnée à l'origine oblige),

    => -5 = a(0+2)(0-8)

    -5 = a(-16)

    Donc, a = 5/16.

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