équations second degré 2
Quiz
•
Mathematics
•
4th - 12th Grade
•
Hard
Valerie Bout
Used 25+ times
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21 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Les coefficients de l'équation
2x2 + 4x - 15 = 0 sont
a = 2 b = 4 c = -15
a = 2x2 b = 4x c = -15
a = 2 b = -4 c = 15
a =2 b = 4 c = 15
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Le discriminant de x2 + 2x - 35 = 0 est :
= -136
= 144
= -279
= 1217
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Les solutions de l'équation
x2 + 2x - 35 = 0 sont :
x1 = -5 et x2 = 7
x1 = 5
x1 = 5 et x2 = -7
pas de solution
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Les coefficients de l'équation
-1x2 - 8x - 12 = 0 sont :
a = 1 b = 8 et c= -12
a = -1 b = -8 et c= -12
a = 1 b = -8 et c= -12
a = 1 b = -8 et c= -12
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Le discriminant de l'équation
-4x2 - 8x + 12 = 0 est :
= -256
= 256
= 0
= -368
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Les solutions de l'équation
-4x2 - 8x + 12 = 0 sont :
pas de solution
x1 = -4 et x2 = -8
x1 = -1 et x2 = 3
x1 = 1 et x2 = -3
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Les coefficients de l'équation
4x2 - 12x - 144= 0 sont :
a= 4 ; b= -12 et c= -144
a= -4 ; b= -12 et c= 144
a= 4 ; b=12 et c= 144
a= 4x2 ; b= -12x et c= 144
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