
Evaluación recuperación.

Quiz
•
Mathematics
•
12th Grade
•
Hard
Nan Pilco
Used 5+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué es un vector, geométricamente?
Un segmento dirigido.
El que tiene módulo, dirección y sentido.
El que se denota así:
Ninguna es correcta.
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Un vector en el espacio tiene:
Tres coordenadas.
Tras magnitudes.
Tres sistemas de referencia.
Todas son correctas.
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
La norma del vector es :
6,0
3,16
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Las coordenadas del siguiente vector son:
(1,-3,5)
(-3,1,5)
(-1,-3,5)
(3,-1,5)
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Las componentes del vector son:
(-1,2,-6)
(1, -2, 6)
(5i+0j+4k)
(2i+j-k)
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
El coseno director que corresponde al coseno del ángulo medido desde el eje x positivo hasta llegar al vector es:
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Dado el vector u=(5i-j+7k) y el escalar k=-2. Halle k.u
(10i-2j+14k)
(3i-3j+5k)
(-10i+2j-14k)
(-3i+3j-5k)
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