Siruri-Progresii
Authored by BURTEA MARIANA
Mathematics
9th Grade
Used 2+ times
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9 questions
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1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Se consideră sirul :
1,2,3,4,...,n,.....,n număr natural.
scrieti termenul al patrulea al sitului.
4
3
10
n
2.
FILL IN THE BLANK QUESTION
45 sec • 1 pt
Se consideră sirul :
1,2,3,4,...,n,.....,n număr natural.
Scrieti termenul general al sirului
3.
FILL IN THE BLANK QUESTION
3 mins • 1 pt
Se considera sirul 1,3,5,7..., (2n+1)....n număr natural.
Scrietei termenul al zecelea al sirului.
4.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Ratia progresiei geometrice se notează cu .....
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Un sir de numere reale in care fiecare termen începând cu al 2 lea se obtine din cel precedent prin adaugarea aceluaias număr se numeste :
progresie aritmetica
progresie geometrica
sir de numere reale
este gresit enuntiul
6.
FILL IN THE BLANK QUESTION
3 mins • 1 pt
Primul termen al unei progresii geometrice este 2 .
Ratia este 3.
Calculati al 4 lea termen .
7.
FILL IN THE BLANK QUESTION
3 mins • 1 pt
Primul termen al unei progresii aritmetice este 2.
Ratia este 3 .
Calculti al 4 termen:
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