factorisation

factorisation

4th Grade

10 Qs

quiz-placeholder

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factorisation

factorisation

Assessment

Quiz

Mathematics

4th Grade

Hard

Created by

Virginie Beys

Used 94+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

3x²+21=... . (x²+7)

2

3x

3

7

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

4x²+....+25 = (2x+5)²

10x

25x

100

20x

3.

MULTIPLE CHOICE QUESTION

1 min • 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.

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

4x²+8x+4 = .... .(x²+2x+1) = .... . (x+1)²

2

4x

4

8

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

42x²+54x=... . (6x+8)

5x

6

7x

7

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

4x²+9=...

(2x+3)²

(2x-3)²

(2x+3)(2x-3)

n'est pas factorisable car il s'agit d'une somme de deux carrés.

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

18x²+54x=...

9x.(2x²+6)

18x.(x+3)

3.(6x²-18x)

18(x+3)²

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