
teorie vectori
Authored by Alina Blanaru
Mathematics
1st Grade
Used 14+ times

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10 questions
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1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Consideram vectorul , punctul A reprezinta:
originea
extremitatea
punctul de aplicatie
varful
2.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Modulul vectorului reprezinta:
dreapta determinata punctul de aplicatie si varf.
distanta dintre punctul de aplicatie si varf.
perechea ordonata formata din punctul de aplicatie si varf.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Doi vectori sunt egali daca au:
aceeasi directie
aceeasi directie si acelasi modul
acelasi modul
aceeasi directie, acelasi modul si acelasi sens
4.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Doi vectori sunt coliniari daca au:
aceeasi dreapta suport
se scriu unul in functie de celalat inmultit cu un scalar
au coordonatele proportionale.
sunt situati pe drepte suport paralele
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Atunci cand inmultim un vector cu un scalar, obtinem:
un numar real.
nu este posibila operatia.
un vector care are aceeasi directie cu vectorul initial.
un vector care nu are nimic in comun cu vectorul initial.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pentru a putea aduna doi vectori folosind regula triunghiului, acestia trebuie:
sa aiba acelasi punct de aplicatie.
sa aiba acelasi varf.
sa aiba acelasi sens.
varful primului vector sa coincida cu punctul de aplicatie al celui de-al doilea vector.
7.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Vectorul se numeste versorul axei ,el are:
directia axei
sensul axei
Modulul egal cu 1.
Niciuna dintre conditiile mentionate mai sus.
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