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Nizovi , 4df 16.4.

Authored by Renata Spiegl

Mathematics

4th Grade

Used 1+ times

Nizovi , 4df   16.4.
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13 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Odredi 22. član zadanog niza

5,8,11,...

14

68

63

71

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Zadani niz 37, 31, 25, 19, ... je aritmetički

Da

Ne

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Koji od općih članova predstavlja niz

25, 21, 17, 13,...

an = 4n + 29

an = -4n - 25

an = -4n + 29

an = 4n - 25

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Odredi prvi član aritmetičkog niza ako je zadano  a14=68a_{14}=68  ,  d=3d=3  

14

20

26

29

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Odredi sumu prvih 6 članova aritmetičkog niza 18,14,10,6,...

48

60

-48

-60

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Odaberi točnu tvrdnju:

a16=a1+16da_{16}=a_1+16d

a16=a3+12da_{16}=a_3+12d

a16=a5+11da_{16}=a_5+11d

a16=a6+9da_{16}=a_6+9d

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Izračunaj prvi član i razliku aritmetičkog niza ako je zadano a5=18, Sn = 128.

a1=2, d=4

a1=4, d=2

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