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EC4 1spé

EC4 1spé

Assessment

Quiz

Mathematics

11th Grade

Hard

Created by

Hélène Duquesne

Used 2+ times

FREE Resource

5 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 L'inéquation e2x>0e^{-2x}>0 a pour ensemble de solutions :

IR

]0 ; + \infty [

] -  \infty  ;  0 [

aucune solution

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Pour tout réel x, (ex1)²\left(e^x-1\right)²  est égal à 


 e2x1e^{2x}-1  

 e2x+1e^{2x}+1  

 e2x2ex+1e^{2x}-2e^x+1  

 e(x²)1e^{\left(x²\right)}-1  

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

 f(x)=2exf\left(x\right)=-2e^{-x}  . 

 f(x)=f'\left(x\right)=  

 exe^{-x}  

 2ex2e^{-x}  

 ex-e^{-x}  

 2ex-2e^{-x}  

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Dans un repère orthonormé, la droite passant par A(4 ; 7] et de vecteur normal n (1;3)\overrightarrow{n}\ \left(-1;3\right)  a pour équation:


 3x+y19=03x+y-19=0  

 3x+y+19=03x+y+19=0  

 x+3y+17=0-x+3y+17=0  

 x+3y17=0-x+3y-17=0  

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

On considère l'équation de cercle x²4x+(y+3)²=3x²-4x+\left(y+3\right)²=3  . Son centre a pour coordonnées :


 (2;3)\left(-2;-3\right)  

 (2;3)\left(2;-3\right)  

 (4;3)\left(-4;3\right)  

 (4;3)\left(4;-3\right)