¡PONTE A PRUEBA! - Ecuaciones y posiciones relativas de la recta
Quiz
•
Mathematics
•
8th Grade
•
Hard
Itziar Calleja
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La ecuación punto-pendiente de una recta con m=-3 y P(1,7), es:
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Cuál es la ecuación en forma general de la recta que pasa por los puntos A(1,-2) y B(5,6)
2x + y - 4 = 0
2x - y = 0
2x - y + 4 = 0
2x - y - 4 = 0
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es la pendiente de la recto con ordenada en el origen -1 y que pasa por el punto P(2,0)?
m=1
m=1/2
m=-1/2
m=-1
4.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
¿Cuál es una posible ecuación punto-pendiente de la recta de la figura?
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Dado el siguiente par de rectas, ¿son paralelas?
r: 2x + y = 5
s: -6x - 3y - 9 = 0
Si, porque sus 'm' son distintas
Si, porque sus 'm' son iguales
No, porque sus 'm' son distintas
No, porque sus 'm' son iguales
Answer explanation
Recuerda:
En el ejercicio primero hay q poner las ecuaciones de las recta en forma explícita.
y = mx + n
Luego:
r: y = -2x + 5
s: y = -2x +3
Entonces: m=-2
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Haya el punto de corte de las siguientes rectas secantes
r: -x + y = 3
s: 3x + 2y = -4
(-2,1)
(2,1)
(2,5)
(-1,2)
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
¿Cuál es la recta paralela a r: x -2y - 7 = 0 y que pasa por el punto (-2,3)?
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