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Maximesel
@Maximesel
April 2019
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Urgent svp petit exercice. Inéquation/Tableau de signe niveau
seconde. Pouvez-vous m'aider svp c'est urgent je n'arrive pas à faire
l'exercice. Exercice en photo juste en dessous
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Bonsoir,
1)
Tableau de signes.
Racines : 2x + 1 = 0 ==> 2x = -1
==> x = -1/2
2 - x =0 ==> -x = -2
==> x = 2
2)
Tableau de signes.
Racines : x = 0
9 - 4x 0 ==> 4x = 9
==> x = 9/4
2 - 3x =0 ==> 3x = 2
==> x = 2/3
3)
Tableau de signes
Racines : x + 2 = 0 ==> x = -2
-x - 2 = 0 ==> -x = 2
==> x = -2
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AIDEZ MOI SVP! Exercice sur les statistiques niveau seconde. L'exercice est en photo juste en dessous merci de bien vouloir m'aider c'est urgent!
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Lista de comentários
1)
Tableau de signes.
Racines : 2x + 1 = 0 ==> 2x = -1
==> x = -1/2
2 - x =0 ==> -x = -2
==> x = 2
2)
Tableau de signes.
Racines : x = 0
9 - 4x 0 ==> 4x = 9
==> x = 9/4
2 - 3x =0 ==> 3x = 2
==> x = 2/3
3)
Tableau de signes
Racines : x + 2 = 0 ==> x = -2
-x - 2 = 0 ==> -x = 2
==> x = -2