
Metoda Cramer
Authored by Nicoleta Balosin
Mathematics
11th - 12th Grade
Used 9+ times

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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pentru ca un sistem de ecuații liniare sa fie de tip Cramer, determinantul matricei sale va fi:
nul
diferit de zero
pozitiv
negativ
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pentru a afla necunoscuta x a unui sistem de ecuații liniare, prin metoda Cramer, aplicăm formula:
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Determinantul matricei sistemului de ecuații liniare din imagine este egal cu:
11
5
-11
-5
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Soluția sistemului de ecuații liniare din imagine este:
S={(-2,-1)}
S={(2,-1)}
S={(-2,1)}
S={(2,1)}
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
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