
Rectas en R3
Authored by Nan Pilco
Mathematics
12th Grade
Used 12+ times

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6 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Una recta en R3 se puede determinar mediante:
Un punto
Dos puntos
Un punto y un vector direccional
Una letra mayúscula o minúscula
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
La ecuación vectorial de la recta que pasa por el punto P(3, -1, 1) y lleva la dirección del vector v= (2, 5, 0) es:
Q=P + t.v
(x, y, z) = ( 2, 5, 0) + t( 3, -1, 1)
(x, y, z) = ( 3, -1, 1) + t( 2, 5,0)
Ninguna es correcta.
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Para hallar otro punto perteneciente a una recta, se debe:
Darle un valor al parámetro.
Realizar las operaciones necesarias.
Obtener las nuevas coordenadas del vector director.
Todas son correctas
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Una ecuación paramétrica de la recta r es:
r: (x, y, z) = ( -4, 5, 3) + t( 1, 3, -2)
x= -4+t
y=5+t
z=3t-2
Ninguna es correcta.
5.
OPEN ENDED QUESTION
2 mins • Ungraded
¿Cómo se determina la ecuación continua de la recta?
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6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Elija la gráfica de la recta que pasa por el punto C y tiene la dirección del vector OA.
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