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Polinomi, prodotti notevoli e scomposizioni tentativo 2

Authored by Alice

Mathematics

9th - 10th Grade

Used 375+ times

Polinomi, prodotti notevoli e scomposizioni tentativo 2
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12 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 4x2y2+912xy=4x^2y^2+9-12xy=  

 (9+xy)2\left(9+xy\right)^2  

 (3+2xy)2\left(3+2xy\right)^2  

 (32xy)2\left(3-2xy\right)^2  

 (3xy9)2\left(3xy-9\right)^2  

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Il monomio  36a3bc436a^3bc^4  è di grado...

7

8

12

4

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 16a6b2c4=16a^6-b^2c^4=  

 (4abc)3\left(4a-bc\right)^3  

 (4a3bc2)2\left(4a^3-bc^2\right)^2  

 (16a3bc)(16a3+bc)\left(16a^3-bc\right)\left(16a^3+bc\right)  

 (4a3bc2)(4a3+bc2)\left(4a^3-bc^2\right)\left(4a^3+bc^2\right)  

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 x218x+45=x^2-18x+45=  

 (x+15)(x+3)\left(x+15\right)\left(x+3\right)  

 (x15)(x3)\left(x-15\right)\left(x-3\right)  

è irriducibile

 (x15)2\left(x-15\right)^2  

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Il polinomio  x23xy+by4x^2-3xy+by^4  è di grado...

9

6

2

5

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 (5a3y)(5a+3y)=\left(5a-3y\right)\left(5a+3y\right)=  

 (5a3y)2\left(5a-3y\right)^2  

 (5a+3y)2\left(5a+3y\right)^2  

 25a29y225a^2-9y^2  

 25a29y230ay25a^2-9y^2-30ay  

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 (b43)2=b8+9........\left(b^4-3\right)^2=b^8+9-........  
Quale monomio va al posto dei puntini?

 6b46b^{\text{4}}  

 3b43b^4  

 9b49b^4  

non ci vuole nessun altro termine, è finito così

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