(a - b)² = ...
identites remarquables, equations-produits

Quiz
•
Mathematics
•
7th - 8th Grade
•
Hard

I kabbara
Used 39+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
(a + b)(a - b)
a² + 2ab + b²
a² - b²
a² + 2ab - b²
Une autre réponse
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Factoriser à l'aide d'une identité remarquable :
A = x² + 4x + 4
A = (x + 2)²
A = (x + 4)²
A = (2x + 2)²
A = (2x + 4)²
On ne peut pas factoriser
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Factoriser à l'aide d'une identité remarquable :
B = 9x² + 25 - 30x
B = (3x + 5)(3x - 5)
B = (9x + 25)²
B = (x - 5)²
B = (3x - 5)²
On ne peut pas factoriser
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Factoriser à l'aide d'une identité remarquable :
C = 4x² - 20x + 16
C = (4x - 4)²
C = (2x - 4)²
C = (2x - 4)(2x + 4)
C = (2x + 4)²
On ne peut pas factoriser
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Résoudre dans ℝ l'équation :
64x² - 36 = 0
S = { 0,75 }
S = { - 8/6 }
S = { -0,75 ; 0,75 }
S = { -8/6 ; 8/6 }
Une autre réponse
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Factorise:
(x+9)²-25
(x+8)(x-2)
(x+4)(x-4)
(x-8)(x+2)
(x+14)(x+4)
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Résous:
35x²+20x = 0
x = 0 et x = 4/7
x = 0 et x = -4/7
x = 0 et x = -7/4
x = 0 et x = 7/4
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