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Identités remarquables

Authored by astrid brunet

Mathematics

3rd Grade

Used 49+ times

Identités remarquables
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Factorise

 25y22525y^2−25  

 (5+5y)2(5+5y)^2  

 (5+5y)(55y)(5+5y)(5−5y)  

 (55y)2(5-5y)^2  

 (5y+5)(5y5)(5y+5)(5y−5)  

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Factorise

 114a+49a21−14a+49a^2  

 (17a)2(1−7a)^2  

 (1+7a)2(1+7a)^2  

 (7a1)2(7a-1)^2  

 (17a)(1+7a)(1−7a)\left(1+7a\right)  

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Factorise

 64+32a+4a264+32a+4a^2  

 (32+2a)2(32+2a)^2  

 (82a)2(8-2a)^2  

 (2a+8)2(2a+8)^2  

 (8+2a)2(8+2a)^2  

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Factorise

 16+16x+4x216+16x+4x^2  

 (42x)2(4-2x)^2  

 (4+2x)(42x)(4+2x)\left(4-2x\right)  

 (4+2x)2(4+2x)^2  

 (2x+4)2(2x+4)^2  

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Factorise

 36+12b+b236+12b+b^2  

 (b+6)2(b+6)^2  

 (6b)2(6-b)^2  

 (b6)2\left(b-6\right)^2  

 (6+b)2(6+b)^2  

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Factorise

 8154x+9x281−54x+9x^2  

 (93x)2(9−3x)^2  

 (9+3x)2(9+3x)^2  

 (3x9)2(3x-9)^2  

 (3x+9)2(3x+9)^2  

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Factorise

 81c281−c^2  

 (c+9)(9c)(c+9)(9−c)  

 (c+9)(c9)(c+9)(c-9)  

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