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Kvadrat binoma i razlika kvadrata

Authored by Aleksandra Kos

Mathematics

10th Grade

Used 9+ times

Kvadrat binoma i razlika kvadrata
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13 questions

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1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Koliko je  (2a3b)2\left(2a-3b\right)^2  ?

 4a29b24a^2-9b^2  

 4a2+9b24a^2+9b^2  

 2a212ab+3b22a^2-12ab+3b^2  

 4a212ab+9b24a^2-12ab+9b^2  

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Koliko je  (2a3b) (2a3b) \left(2a-3b\right)\ \left(2a-3b\right)\   ?

 4a29b24a^2-9b^2  

 4a26ab+9b24a^2-6ab+9b^2  

 4a212ab+9b24a^2-12ab+9b^2  

 4a2+9b24a^2+9b^2  

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Koji izraz treba pisati u zagradi:  (x2y)()=x24y2\left(x-2y\right)\left(\ldots\ldots\right)=x^2-4y^2  

 x2yx-2y  

 x+2yx+2y  

 2xy2x-y  

 2x+y2x+y  

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Koji izraz treba pisati u zagradi:  (x2y)( )=x24xy+4y2\left(x-2y\right)\left(\ \ldots\ldots\right)=x^2-4xy+4y^2  

 x2yx-2y  

 x+2yx+2y  

 2xy2x-y  

 2x+y2x+y  

5.

MULTIPLE SELECT QUESTION

3 mins • 1 pt

Označite sve izraze koji su jednaki  (2x+y)2\left(2x+y\right)^2  :

 4x2+y24x^2+y^2  

 (2x+y) (2x+y)\left(2x+y\right)\ \left(2x+y\right)  

 (2x+y) (2xy)\left(2x+y\right)\ \left(2x-y\right)  

 4x2+4xy+y24x^2+4xy+y^2  

 (2xy)2\left(-2x-y\right)^2  

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Koji izraz treba pisati u zagradi  (  ) (3a+4)=(3a+4)2\left(\ \ldots\ldots\ \right)\ \left(3a+4\right)=\left(3a+4\right)^2  ?

 3a43a-4  

 3a+43a+4  

 a+4a+4  

 3a3a  

7.

MULTIPLE SELECT QUESTION

3 mins • 1 pt

Označite sve izraze koji su jednaki  25x225-x^2  :

 (x5) (x+5)\left(x-5\right)\ \left(x+5\right)  

 (5x) (5+x)\left(5-x\right)\ \left(5+x\right)  

 (5x) (5x)\left(5-x\right)\ \left(5-x\right)  

 (x+5) (x+5)\left(x+5\right)\ \left(-x+5\right)  

 (x5) (x5)\left(x-5\right)\ \left(x-5\right)  

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