
Evalución sistemas de ecuaciones 2x2
Authored by Martha Elena
Mathematics
12th Grade
Used 1+ times

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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
¿Qué es un sistema de ecuaciones?
Un conjunto de dos o más ecuaciones que contiene dos o más incógnitas.
Dos incógnitas agrupadas.
Un software para solucionar la ecuación.
Un conjunto de gráficos de ecuaciones lineales.
2.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Al sustituir el valor de x en la ecuación (5). ¿Cuál es el valor de y?
1
-1
2
-2
3.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Indicar cual es el método que consiste en realizar la sumatoria de ambas ecuaciones con la finalidad de que alguna de las incógnitas desaparezca en el resultado de dicha operación.
Metodo de igualacion
Ninguna de las anteriores
Metodo de sustitucion
Metodo de eliminacion
4.
MULTIPLE CHOICE QUESTION
5 mins • 2 pts
Resolver el siguiente sistema por el método de reducción o eliminación:
x=-3, y=-2
x=3, y=2
x=2, y=3
5.
MULTIPLE CHOICE QUESTION
2 mins • 2 pts
Las edades de Leo y su padre suman 40 años. La edad del padre es 7 veces la edad del hijo. Expresa el problema con un sistema de ecuaciones. ( x = edad de Leo; y = edad del padre)
y = 7x
y = 7x
y = 7x
x = 7y
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