Factorisation

Factorisation

9th Grade

20 Qs

quiz-placeholder

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Factorisation

Factorisation

Assessment

Quiz

Mathematics

9th Grade

Practice Problem

Medium

Created by

Suzanne Pitre

Used 38+ times

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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

x²-9=...

(x+3)²

(x-3)²

(x+3)(x-3)

n'est pas factorisable car c'est une somme de deux carrés.

2.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Coche toutes les solutions possibles : 4x²16x+16=04x²-16x+16=0  

-3

-2

-1

0

2

3.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

 2x2+5x+32x^2+5x+3  

(2x+1)(x+3)

(2x+3)(x+1)

(x+1)(3x+2)

(3x+1)(x+3)

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Trouve le facteur manquant:

 42x²+56x=?(6x+8)42x²+56x=\ldots?\ldots(6x+8)  

 5x5x  

 66  

 7x7x  

 77  

aucune de ces réponses

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Trouve le facteur commun de ce polynôme comme si tu avais à le factoriser 4x3+4y2z+3x+4z2y4x^3+4y^2z+3x+4z^2y  

 44  

 xyzxyz  

 4x3y2z24x^3y^2z^2  

Aucun, impossible à factoriser.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Factorise 15x²+5x15x²+5x  

 5x(3x+1)5x(3x+1)  

 5(3x²+x)5(3x²+x)  

 15(x2+x)15\left(x^2+x\right)  

 x(15x+5)x\left(15x+5\right)  

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 Factorise l'expression suivante : a²8a+16 =a²-8a+16\ = 

 a4²a-4²  

 a+4²a+4²  

 (a4)²\left(a-4\right)²  

 (a+4)²\left(a+4\right)²  

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