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Полиноми - систематизација

Authored by Martina Kerekeš

Mathematics

7th Grade

Used 4+ times

Полиноми - систематизација
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9 questions

Show all answers

1.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

Odredi zbir polinoma A=2a-3 i B=3a+7

-5a-4

5a+4

5a-4

-5a+4

2.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

Odredi razliku polinoma A=2a-3 i B=3a+7

-a-10

-a+4

a+4

a-10

3.

MULTIPLE SELECT QUESTION

3 mins • 1 pt

Odredi proizvod polinoma A=2a-3 i B=3a+7

6a2-5a-21

5a2-6a+21

5a2-14a+2

6a2+5a-21

4.

MULTIPLE SELECT QUESTION

3 mins • 1 pt

Odredi A2 ako je A=2a-3

4a2-9

4a2-12a+9

4a2+12a+9

4a2-12a-9

5.

MULTIPLE SELECT QUESTION

3 mins • 1 pt

Odredi  (32x5y3z2)4\left(\frac{3}{2}x^5y^3z^2\right)^4  

 128x20y12z8\frac{12}{8}x^{20}y^{12}z^8  

 8116x20y12z8\frac{81}{16}x^{20}y^{12}z^8  

 128x9y7z6\frac{12}{8}x^9y^7z^6  

 8116x9y7z6\frac{81}{16}x^9y^7z^6  

6.

MULTIPLE SELECT QUESTION

3 mins • 1 pt

Uprosti izraz       (13ab)2⋅6a2b5\left(\frac{1}{3}ab\right)^2\cdot6a^2b^5  

 23a4b9\frac{2}{3}a^4b^9  

 69a2b9\frac{6}{9}a^2b^9  

 154a4b9\frac{1}{54}a^4b^9  

 54a2b954a^2b^9  

7.

MULTIPLE SELECT QUESTION

3 mins • 1 pt

 4a2−49b24a^2-49b^2  

Razliku kvadrata zapiši u obliku proizvoda

 (2a−7b)⋅(2a+7b)\left(2a-7b\right)\cdot\left(2a+7b\right)  

 (4a−49b)⋅(4a+49b)\left(4a-49b\right)\cdot\left(4a+49b\right)  

 (4a−49)⋅(4a−49)\left(4a-49\right)\cdot\left(4a-49\right)  

 4a2⋅49b24a^2\cdot49b^2  

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