TEST DE EVALUARE PROGRESII ARITMETICE SI GEOMETRICE

Quiz
•
Mathematics
•
9th Grade
•
Hard
Nicoleta Dinca
Used 85+ times
FREE Resource
13 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Determinați al patrulea termen al unei progresii aritmetice dacă primul termen este 2 și rația este 3.
10
-10
12
11
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Dacă numerele (x-1), (x+5) ,(2x+8) sunt în progresie aritmetică, atunci valoarea numărului real x este:
2
3
5
-2
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Calculați suma S=1+5+9+...+25.
91
94
100
40
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Determinați și r dacă și (progresie aritmetica)
și
și
și
și
5.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Se consideră progresia aritmetică în care și . Valoarea termenului este:
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Fie progresia aritmetică în care . Valoarea sumei este:
20
10
5
25
7.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Fie progresia geometrică
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