Determinați al zecelea termen al șirului
.
Test de evaluare: Progresii

Quiz
•
Mathematics
•
9th Grade
•
Medium

BUDA LOREDANA
Used 67+ times
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9 questions
Show all answers
1.
MULTIPLE SELECT QUESTION
5 mins • 1 pt
7
23
31
10
2.
MULTIPLE SELECT QUESTION
5 mins • 1 pt
Calculați suma:
142
888
994
1000
3.
MULTIPLE SELECT QUESTION
3 mins • 1 pt
Determinați numărul real x, știind că
sunt trei termeni consecutivi ai unei progresii aritmetice:
1
4
6
7
4.
MULTIPLE SELECT QUESTION
5 mins • 1 pt
Să se determine suma primilor 15 termeni ai unei progresii aritmetice știind că:
38
570
285
100
5.
MULTIPLE SELECT QUESTION
5 mins • 1 pt
Rația progresii geometrice de mai jos este egală cu:
3
-3
6
2
6.
MULTIPLE SELECT QUESTION
5 mins • 1 pt
Calulați primul termen al unei progresii geometrice dacă :
1
2
4
-1
7.
MULTIPLE SELECT QUESTION
5 mins • 1 pt
Fie
o progresi geometrică. Să se determine suma a primilor n termeni dacă:82
48
100
96
8.
MULTIPLE SELECT QUESTION
5 mins • 1 pt
Să se determine al cincilea termen al progresiei geometrice cu rația
și primul termen
16
81
48
8
9.
MULTIPLE SELECT QUESTION
5 mins • 1 pt
Să se calculeze al cincilea termen al progresi artimetice
, unde :-10
-5
-17
-15
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