
ecuaciones parametricas
Authored by Cristóbal Culqui
Mathematics
1st Grade
Used 11+ times

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15 questions
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1.
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)
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La ecuacion explicita correspondiente a la recta: X= k. (1;1) es:
y = -x
y = x
y = x+1
y = x -1
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
La ecuacion vectorial de la recta que pasa por ( 0;1) y (1;0) es
(x, y) = (j) + k (j)
(x, y) = k. ( i+j) + (i)
(x, y) = k. (i - j)
(x, y) = k.(i + j) + (i)
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
La ecuación general de la recta que pasa por los puntos A(-1, 7) y B(3, -8) es
5.
MULTIPLE SELECT QUESTION
1 min • 1 pt
La recta de ecuaciones paramétricas x = 5 - k ; y = -3+k cumple que
un punto por el que pasa es P(5.3) y su vector director es v = (-1,1)
un punto por el que pasa es P(5,-3) y su vector director es v = (-1,-1)
un punto por el que pasa en P(5,-3) y su vector director es v = (-1,1)
un punto por el que pasa es P(4,-2) y su vector director es v = (1,1)
un punto por el que pasa es P(-1,1) y su vector director es v = (5,-3)
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
si la recta 2x-ky+3=0 contiene al punto (3,-1) entonces el valor de k es:
8
3
1/3
-3
-9
7.
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)
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