Progresii geometrice
Quiz
•
Mathematics
•
9th Grade
•
Practice Problem
•
Hard
Monica Dumitrache
Used 542+ times
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10 questions
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1.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Al treilea termen al unei progresii geometrice cu primul termen 0,5 și rația 2, este:
1
1,5
2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Care dintre șirurile de mai jos sunt progresii geometrice?
3, -3, 3, -3, 3, -3, ...
2, 4, 6, 8, 10, ...
1, 3, 5, 7, ...
-8, -5, -3, -1, 0, 3, ...
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Primul termen al progresiei geometrice este 4, iar rația 2. Determinați al cincilea termen.
64
128
16
4.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
Găsiți suma primilor șapte termeni ai progresiei geometrice dacă
b1 = 0,15, q = 2.
5.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
În progresie geometrică Calculați .
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ratia progresiei geometrice in care suma primilor trei termeni este 21 iar suma urmatorilor trei termeni este 168 este:
-4
-2
2
4
7.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Într-o progresie geometrică termenul al 4-lea este 9 iar al șaselea termen este 16. Al cincelea termen din această progresie este:
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