Cuestionario MIX 1 2 3
Quiz
•
Mathematics
•
University
•
Practice Problem
•
Medium
Silvia Sureda
Used 1+ times
FREE Resource
30 questions
Show all answers
1.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Para determinar la ecuación de un plano se debe conocer:
(2 opciones correctas)
dos vectores ortogonales a la recta origen
Un punto que esté en el plano y un vector normal
Una recta paralela desde el origen
tres puntos que estén en el plano
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Hallar la ecuación del plano que es perpendicular a la recta que pasa por los puntos (1,2,4) (-5,2,1) y contiene al punto (1,3,8)
-6x-3z+25=0
-7x-3z+10=0
12x+2y-2=0
10x-12y=0
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Hallar la ecuación del plano que es perpendicular a la recta que pasa por los puntos (2,2,-4) y (7,-1,3) y contiene al punto (-5,1,2)
12x+6y+17z-24=0
5x-3y+7z+24=0
25x+3y+11z+8=0
5x-3y+17z=-2
4.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
En la ecuación general del plano, los coeficientes que acompañan a la variables corresponden a:
Vector unitario
Un punto no coplanar al plano
un vector coordenado
El vector normal
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La ecuacion vectorial de la recta q pasa por (1;1) y (-3;2) es:
(x, y) = k.(-4;3)+ (1;1)
(x, y) =(-3;2)+ k(1;1)
(x, y) = k.(-4;1) + (1;1)
(x, y) = k.(-4;-1) +(3;2)
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Dados los puntos A = (3,-7) y B = (-4, -5), el vector AB es
(-7, -12)
(7, 12)
(7, -2)
(-7, 2)
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El módulo del vector v = (-3, 2 ) es
Raíz cuadrada de 5
Raíz cuadrada de 1
Raíz cuadrada de 25
Raíz cuadrada de 13
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