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Kvadriranje i korjenovanje

Authored by Marina Simic

Mathematics

8th Grade

Used 15+ times

Kvadriranje i korjenovanje
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13 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Što znači kvadrirati neki broj?

Pomnožiti ga s dva

Podijeliti ga s dva

Podijeliti ga sa samim sobom

Pomnožiti ga sa samim sobom

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 32-3^2  je

-3

-9

9

3

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Kvadrati suprotnih brojeva su:

suprotni

recipročni

različiti

jednaki

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 (19)2\left(-\frac{1}{9}\right)^2  je

 19\frac{1}{9}  

 19-\frac{1}{9}  

 181\frac{1}{81}  

 181-\frac{1}{81}  

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 (a+2)2\left(a+2\right)^2  =

 a2+4a^2+4  

 a2+2a^2+2  

 a2+4a+4a^2+4a+4  

 a2+2a+4a^2+2a+4  

 a2+2a+2a^2+2a+2  

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Formula za razliku kvadrata  a2b2a^2-b^2  je:

 (ab)(ab)\left(a-b\right)\left(a-b\right)  

 (ab)2\left(a-b\right)^2  

 (ab)(a+b)\left(a-b\right)\left(a+b\right)  

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 25\sqrt{25}  je

25

-25

5

0

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