
Repaso Sistemas 2ºESO
Authored by Javier Garcia Botello
Mathematics
9th - 12th Grade

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14 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Para resolver un sistema por igualación hay que:
Multiplicar cada ecuación por un número
Despejar la misma variable en las dos ecuaciones y luego igualar las expresiones obtenidas.
Despejar una incógnita de una ecuación y sustituirla en la otra ecuación
Sumar las dos ecuaciones
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Cuando hemos resuelto un sistema con solución
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Cuando resolvemos un sistema de ecuaciones
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
En la siguiente imagen la solucion del sistema es:
x=5
y=3
y=5
y=-5
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
El método de sustitución consiste en:
Despejar una incógnita de una de las ecuaciones y sustituirla en la otra ecuación
Despejar una incógnita de una de las ecuaciones y sustituirla en la misma ecuación
Despejar la "x" y despejar la "y" en las dos ecuaciones
Multiplicar las ecuaciones para que al sumarlas se elimine una incógnita
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
En la siguiente imagen la solución del sistema es:
(0,2)
(-2,0)
(1,-1)
(-1,-1)
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Resuelve el sistema aplicando el método de reducción:
x - 4y = 6
x + y = 1
x = 2 ; y = -1
x = -2 ; y = 1
x = -4 ; y = 2
x = 2 ; y = 4
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