Vectores en el espacio

Quiz
•
Mathematics
•
12th Grade
•
Hard
Marisa Solano
FREE Resource
8 questions
Show all answers
1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Dados los vectores u=(1, -2, 1), v=(-1, 3, 2), w=(5, -1, -3).
Indica cual de estas operaciones se cumple:
u + w -v = (7, 0, 0)
2u - w = (-3, -3, 5)
u + v - w = (-5, 2, 6)
u -3v = (-2, -8, -5)
Ninguna es correcta
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dados dos vectores u y v, es posible añadir otro vector w de forma que los tres formen una base del espacio.
Verdadero, siempre que w sea combinación lineal de u y v.
Verdadero, siempre que sean linealmente independientes.
3.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Si el producto escalar de dos vectores es negativo... (marca las correctas)
Los vectores son perpendiculares
el ángulo que forman es mayor que 180º
el ángulo que forman es negativo
el ángulo que forman es mayor que 90º
NINGUNA ES CORRECTA
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El ángulo que forman los vectores u (2, -2, 1) y v (3, 3, 1) es aproximadamente 67,52º
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Un vector perpendicular a u = (-1, 2, 2) y v = (2, 3, 1) es:
(4, 5, 7)
(4, -5, 7)
(-3, 5, -8)
(2, 3, 4)
(-8, 10, -14)
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dados dos vectores perpendiculares y unitarios, el módulo de su producto vectorial es 0
7.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
EL volumen del tetraedro formado por los vértices A (x, 3, x), B(1, x-1, 2), C (0, 2, 0) y O (0, 0, 0) es 6 unidades cubicas si...
x=-18
x=-3
x=3
x=18
Ninguna es correcta
8.
OPEN ENDED QUESTION
3 mins • 1 pt
¿Cuándo es nulo el producto mixto de 3 vectores no nulos?
Evaluate responses using AI:
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