
Progresii aritmetice si geometrice
Authored by Cristina Irimies
Mathematics
9th - 12th Grade
Used 19+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Al șaptelea termen al șirului -4, -1, 2, 5, 8, 11, ...
11
14
8
16
2.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Determinați numărul real x, știind că sunt trei termeni consecutivi ai unei progresii aritmetice
4
8
2
0
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Să se determine suma primilor 15 termeni ai unei progresii aritmetice știind că:
150
-26
285
-126
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Să se determine al patrulea termen al unei progresii geometrice ştiind că raţia este egală cu 2 şi primul termen este -8
62
-50
36
-64
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Al cincilea termen al progresiei aritmetice cu si este ...
17
-15
20
25
6.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Suma primilor 5 termeni ai progresiei geometrice cu si este ...
128
62
10
256
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Rația progresiei geometrice 6, 18, 54, ... este egală cu ...
3
-2
2
6
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