
Ciągi
Authored by Anna Rutkowska
Mathematics
11th Grade
Used 29+ times

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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Liczby w podanej kolejności : 6, 13 – a, 8 + a są kolejnymi wyrazami ciągu arytmetycznego. Ile wynosi a?
4
12
1
0
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trzeci wyraz ciągu geometrycznego wynosi 4, a czwarty wyraz tego ciągu jest równy -2. Podaj wartość pierwszego wyrazu.
-8
8
-16
16
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Liczby 4 , y , 25 w tej kolejności są trzema pierwszymi wyrazami ciągu geometrycznego . Ile wynosi iloraz q tego ciągu?
2,5
-2,5
2,5 lub -2,5
6,25
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ciąg: -1, -2, -4, -8, -16, ... jest:
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Dany jest ciąg o wyrazie ogólnym an=-3n+118. Liczba dodatnich wyrazów tego ciągu jest równa:
37
38
39
0
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Ciąg liczbowy cn = n2 + 2n . Suma c2+c3 wynosi :
22
23
24
20
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Ciąg arytmetyczny dany jest wzorem: an = 2n - 1. Różnica tego ciągu wynosi:
-1
1
2
3
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