teorie vectori

teorie vectori

1st Grade

10 Qs

quiz-placeholder

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teorie vectori

teorie vectori

Assessment

Quiz

Mathematics

1st Grade

Practice Problem

Hard

Created by

Alina Blanaru

Used 14+ times

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10 questions

Show all answers

1.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Consideram vectorul  AB\overrightarrow{AB}  , 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  i\overrightarrow{i}  se numeste versorul axei  OxOx  ,el are:

directia axei  Ox.Ox.  

sensul axei  Ox.Ox.  

Modulul  egal cu 1.

Niciuna dintre conditiile mentionate mai sus.

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