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Imaan2Moi
@Imaan2Moi
May 2019
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Bonjour, je ne trouve pas les réponses a ce QCM pouvez vous m'aider svp ? niveau seconde
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trudelmichel
Verified answer
Bonjour,
1)y=-x+3
A(-2,-1) C(-1;-2)
coefficient de AC
yc-ya/xc-xa =-2+1/-1+2=-1
y=-x+b seul y=-x-3 répond à cette obligation
2)3
B(1;1) C( -1;-2)
coefficient de BC
yc-yb/xc-xb=-2-1/-1-0=-3/-1=3
f(x) <0 x ∈[-2;-1]
voir graphiquement
1 votes
Thanks 1
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Verified answer
Bonjour,1)y=-x+3
A(-2,-1) C(-1;-2)
coefficient de AC
yc-ya/xc-xa =-2+1/-1+2=-1
y=-x+b seul y=-x-3 répond à cette obligation
2)3
B(1;1) C( -1;-2)
coefficient de BC
yc-yb/xc-xb=-2-1/-1-0=-3/-1=3
f(x) <0 x ∈[-2;-1]
voir graphiquement