Progresii aritmetice

Quiz
•
Mathematics
•
9th Grade
•
Medium
Maria Laura Popa
Used 6+ times
FREE Resource
7 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Dacă și atunci este:
28
38
20
32
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Primul termen al progresiei aritmetice pentru care și este:
10
4
2
6
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Valoarea numărului real x pentru care numerele și sunt în progresie aritmetică, este:
2
1
4.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
4
9
3
2
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Cunoscând suma primilor n termeni ai progresiei aritmetice ( ) , termenul de rang 5 este:
7
5
10
0
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Soluția ecuației este:
0
1
15
31
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Dacă primii cinci termeni ai unei progresii aritmetice sunt a, b, 12, c, 18, atunci a + b + c are valoarea:
32
28
30
34
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