Seja λ um número real e sejam os vetores
e do espaço. Os vetores e são colineares se:
cálculo vetorial no espaço
Quiz
•
Mathematics
•
10th Grade
•
Medium
Lurdes Macedo
Used 14+ times
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6 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Seja λ um número real e sejam os vetores
e do espaço. Os vetores e são colineares se:
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Num referencial o.n. Oxyz, considere: o ponto A de coordenadas (2, 3, 4); o vetor de coordenadas (- 1, 0, 1). As coordenadas do ponto B são:
(1, 3, 5)
(-1, -3, -5)
(-3, -3, -3)
(3, 3, 3)
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
No referencial o.n Oxyz da figura está representado um paralelepípedo reto com um dos vértices na origem e faces paralelas aos planos coordenados. O vetor definido por
é igual a:
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Considere, num referencial ortonormado , os pontos P(- 1,2,3), Q(1, -2, 0) e R (- 2, 2, 0).Pode afirmar-se que:
são colineares
O ponto médio de [PQ] é M(0, 1, 2)
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
As coordenadas de são:
(-3, -3, 3)
(3, 3, 0)
(3, 3, -3)
(0, 3, 3)
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
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