Progresii aritmetice. Progresii geometrice
Quiz
•
Mathematics
•
11th Grade
•
Practice Problem
•
Medium
Valeria Crudu
Used 105+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Progresia matematică este ....
un șir de numere reale
o mulțime de numere reale
o succesiune de elemente
altă variantă
2.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
Dacă rația progresiei aritmetice este mai mare ca 0, atunci șirul este ...
strict crescător
strict descrescător
constant
3.
OPEN ENDED QUESTION
20 sec • 1 pt
Un şir de numere reale în care fiecare termen, începînd cu al doilea, se obţine din termenul precedent prin adăugarea aceluiaşi număr se numește...
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4.
FILL IN THE BLANK QUESTION
20 sec • 1 pt
Dacă al doilea termen a unei progresii aritmetice este 3, iar rația acesteia este -2, care o să fie primul termen?
5.
FILL IN THE BLANK QUESTION
20 sec • 1 pt
Primul și al treilea termen a unei progresii aritmetice sunt 4 și respectiv 2. Care o să fie cel de-al doilea termen?
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Care dintre șirurile de mai jos sunt progresii geometrice?
3, -3, 3, -3, 3, -3, ...
2, 4, 6, 8, 10, ...
1, 3, 5, 7, ...
-8, -5, -3, -1, 0, 3, ...
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dacă rația progresiei geometrice este negativă, atunci...
progresia este strict crescătoare
progresia este strict descrescătoare
progresia nu este monotonă
progresia este constantă
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