
Progresii aritmetice. Progresii geometrice
Authored by Maria Balan
Mathematics
9th Grade
Used 125+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Fie dată progresia aritmetică :
27; 24; 21; ...
Găsiți ultimul element pozitiv al acestei progresii.
0
3
1
2
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Găsiți rația progresiei geometrice:
4; -2; 1; -0,5.
2
-2
1/2
-1/2
3.
FILL IN THE BLANK QUESTION
3 mins • 1 pt
Găsiți rația progresiei aritmetice dată de formula
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Găsiți elementul necunoscut al progresiei geometrice
...; 0,125; -0.25; X; -1; ...
-0,5
0,5
2
-2
5.
FILL IN THE BLANK QUESTION
3 mins • 1 pt
Indicați numărul de elemente ai progresiei aritmetice
4; 7; 10; ...
care îndeplinește condiția
6.
MULTIPLE SELECT QUESTION
3 mins • 1 pt
Într-o progresie aritmetică cu primul termen 1 și ratia 2 , al treilea termen este:
3
4
5
7.
MULTIPLE SELECT QUESTION
3 mins • 1 pt
Al treilea termen al unei progresii geometrice cu primul termen 0,5 și rația 2, este:
1
1,5
2
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