Progresie aritmetică.Aplicații.
Quiz
•
Mathematics
•
1st - 10th Grade
•
Practice Problem
•
Medium
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10 questions
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1.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Dacă într-o progresie aritmetică rația este mai mică ca zero , atunci:
Progresia este crescătoare
Progresia este descrescătoare
Progresia este consantă
2.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Dacă primul termen a une progresii este - 5, iar rația este egală cu - 1 atunci progresia este:
Monoton crescătoare
Monoton descrescătoare
Constantă
Nu este monotonă
3.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
În progresia -2; -5; -8; -11; -14;... rația este egală cu:
3
-3
4
-4
4.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Verifică dacă numerele 9; 14; 19;... formează o progresie aritmetică?
Da
Nu
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Dacă primul termen al unei progresii aritmetice este 3 iar rația este egală cu 2 atunci al zecelea termen este egal cu :
20
21
22
23
6.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Termenul din mijloc ai unei progresii aritmetice este media geometrică a termenilor vecini lui.
Adevărat
Fals
7.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Rația unei progresii aritmetice trebuie să aparțină
Mulțimii numerelor naturale
Mulțimii numerelor întregi
Mulțimii numerelor raționale
Mulțimii numerelor reale
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