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Kvadriranje, potenciranje i korjenovanje

Authored by Danka Bradarić

Mathematics

8th Grade

Used 4+ times

Kvadriranje, potenciranje i korjenovanje
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8 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Izračunaj 1562(362)15\cdot6^2\cdot\left(3\cdot6^2\right) 

 5625\cdot6^2  

 456245\cdot6^2  

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

Što treba upisati u kvadratić da jednakost bude točna?

1

0

-1

2

3.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Vrijedi 832=832\sqrt{8}\cdot\sqrt{32}=\sqrt{8\cdot32} .

Točno.

Netočno.

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Koliko je 9+16\sqrt{9}+\sqrt{16} ?

25

7

5

916

5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Jednadžba  x2=400x^2=400  naziva se linearna jednadžba.

Točno.

Netočno.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Izračunaj vrijednost izraza (x)2-\left(-x\right)^2  za  x=5.x=5.  

25

-5

-25

5

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Duljina ekvatorskog promjera Urana je 52 000 km. Kako možemo prikazati duljinu tog promjera koristeći znanstveni zapis?

 5210452\cdot10^4  m

 52\cdot10^3  m

 5.21045.2\cdot10^4  m

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