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ALGEBARSKI IZRAZI - 2.A

Authored by Andrea Maradin

Mathematics

2nd Grade

Used 2+ times

ALGEBARSKI IZRAZI - 2.A
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8 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Koliko je  (2x+2y)2\left(2x+2y\right)^2  ?

 4x2+8xy+4y24x^2+8xy+4y^2  

 4x2+2xy+4y24x^2+2xy+4y^2  

 4x28xy+4y24x^2-8xy+4y^2  

 4x2+4y24x^2+4y^2  

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

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

 (2a+3b)2\left(2a+3b\right)^2  

 4a2+9b24a^2+9b^2  

 2a2+3b22a^2+3b^2  

 2a2+6ab+3b22a^2+6ab+3b^2  

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 (5a2b)(.......)=25a24b2\left(5a-2b\right)\left(.......\right)=25a^2-4b^2  

Koji izraz treba pisati u zagradi?

 (5a+2b)\left(5a+2b\right)  

 (5a2b)\left(5a-2b\right)  

5

2

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Koje je rješenje izraza?


 81x22581x^2-25  

 (9x5)(9x+5)\left(9x-5\right)\left(9x+5\right)  

 (9x5)(9x5)\left(9x-5\right)\left(9x-5\right)  

 (9x+5)(9x+5)\left(9x+5\right)\left(9x+5\right)  

 9x218x+259x^2-18x+25  

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Koliko je  (3x4)(3x+4)\left(3x-4\right)\left(3x+4\right)   ?

 9x2169x^2-16  

 6x286x^2-8  

 9x2+169x^2+16  

 6x2+86x^2+8  

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Izračunaj i zaokruži točan odgovor:


 (3a+1)2\left(3a+1\right)^2  

 9a2+6a+19a^2+6a+1  

 9a26a+19a^2-6a+1  

 9a2+19a^2+1  

 9a219a^2-1  

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Zapiši u obliku kvadrata binoma:

 16x216x+416x^2-16x+4  

 (4x2)2\left(4x-2\right)^2  

 (4x+2)2\left(4x+2\right)^2  

 (16x4)2\left(16x-4\right)^2  

 (16x+4)2\left(16x+4\right)^2  

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