Log(31 × a)=
Logarithme Terminale technologique

Quiz
•
Mathematics
•
9th - 12th Grade
•
Hard
Céline Heulluy
Used 10+ times
FREE Resource
14 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
31 × log (a)
log(31) × log(a)
log(31a )
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
log(0)=
n'existe pas
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
log (0,9) est
positif
négatif
n'existe pas
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
log(4n )=
n×log(4)
4×log(n)
log(4)×log(n)
log(4n)
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La fonction logarithme est :
croissante sur ]0 ; +∞[
décroissante
sur ]0 ; +∞[
décroissante sur
]0 ; 1[ puis croissante sur ]1 ; +∞[
6.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Une valeur augmente de 5% par an. Pour déterminer dans combien d'années elle aura doublée on doit résoudre:
n×1,05=2
n×log(1,05)=2
1,05n = 2
n×log(1,05)=log(2)
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Une valeur diminue de 8% par an. Dans 7 ans et 5 mois elle sera multipliée par:
0,087,5
0,087+5/12
0,927,5
0,927+5/12
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