
Ciąg geometryczny
Authored by Barbara Kwiatek
Mathematics
11th Grade
Used 8+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Wskaż ciąg, który nie jest geometryczny
5, 1, 1/5 , 1/25 , ...
3, 0, 0, 0, ...
3, 4, 5, 6, 7, ...
3, -3, 3, -3, ...
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Pierwszy wyraz ciągu an=(-3)3-n jest równy
9
-9
3
-3
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Jeżeli w ciągu geometrycznym: , to:
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
a100 ciągu o wyrazie pierwszym 65 i ilorazie q=-1 jest
równy 65
równy -65
równy -100
równy 100
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Liczby 2/5, 2/15, x są kolejnymi wyrazami ciągu geometrycznego. Prawdą jest, że
x=2/45
x=1/45
x=1/20
x=1/18
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
W ciągu geometrycznym . Oblicz .
6
2
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Suma dwóch pierwszych wyrazów ciągu an=5n wynosi
20
30
125
15
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