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Emiliemimie403
@Emiliemimie403
April 2019
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Exercice 4 : POUR LE VENDREDI 14 NOVEMBRE 2014
Calculer l'expression :
Z= a²+b/2xc
a= -1/2
b= 3/5
c= 10/-9
Mon résultat :
Z= -1/2+3/2x10/-9
Z= 4/2x10/-9
Z= 40/7
Je sais pas si mon résultats est bon j'aimerais savoir si c'est ça ! Merci d'avance.
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winner123
Verified answer
Bonsoir
Z= a²+b/2xc
a= -1/2
b= 3/5
c= 10/-9
Z = (-1/2)² + 3/5 sur ( 2 x - 10/9)
Z = 1/4 + 3/5 sur - 20/9*
Z = 5/20 + 12/20 sur - 20/9
Z = 17/20 : - 20/9
Z = 17/20 x - 9/20
Z = - 153/ 400
1 votes
Thanks 1
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Verified answer
BonsoirZ= a²+b/2xc
a= -1/2
b= 3/5
c= 10/-9
Z = (-1/2)² + 3/5 sur ( 2 x - 10/9)
Z = 1/4 + 3/5 sur - 20/9*
Z = 5/20 + 12/20 sur - 20/9
Z = 17/20 : - 20/9
Z = 17/20 x - 9/20
Z = - 153/ 400