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Virknes. Aritmētiskā progresija.

Authored by Ilzite K

Mathematics

8th Grade

Used 12+ times

Virknes. Aritmētiskā progresija.
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10 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Kurai no virknēm atbilst dotais apraksts?

Virknes pirmie divi locekļi ir vienādi, bet katru nākamo iegūst , reizinot iepriekšējos divus virknes locekļus

4; 4; 16; 64; 1024

3; 3; 6; 18; 54

5; 5; 25; 50; 75

7; 7; 9; 10; 23

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Kura no dotajām skaitļu virknēm ir aritmētiskā progresija?

3; 5; 4; ........

3; 8; 13; ....

6; - 6; -3; .....

3; 5; 5; ....

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Ja a1= -7 un d = 4, tad virknes pirmie četri locekļi ir....

4; 8; 12; 16

-7; -3; 1; 5

-3; 1; 5; 9

-7; -11; -15; -19

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Virknes pirmais loceklis ir 5, katru nākamo iegūst iepriekšējo reizinot ar 2 un no reizinājuma atņemot 16. Virknes pirmie 3 locekļi ir

5; 10; -16

5; -6; -28

5; 10; -6

5; -6; 4

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Dota skaitļu virkne 2; 3; 5; 8; 13;.... Virknes nākamais loceklis ir

20

21

15

19

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Virknes vispārīgā locekļa formula ir an = 4n - 9. Virknes 7 loceklis ir skaitlis

19

28

2

7

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Virknes 2; 2; 4; 6; 10; ...nākamais loceklis ir skaitlis

12

14

16

60

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