Sistema de ecuaciones
Quiz
•
Mathematics
•
9th Grade
•
Practice Problem
•
Hard
Alba González
Used 6+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Cuando resolvemos un sistema de ecuaciones
da igual el método que utilicemos para resolverlo
ninguna de las repuestas es valido
el resultado dependerá del método utilizado
siempre hay que despejar primero la x
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Resuelve utilizando el método de igualación:
2x - y = -10
x + 3y = 9
x = -3 ; y = 4
x = -4 ; y = 3
x = 3 ; y = -4
x = 4 ; y = -3
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
¿A qué método pertenece la siguiente resolución de sistema de ecuaciones?
Método de resolución gráfica
Método de sustitución
Método de igualación
Método de reducción
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Resuelve el sistema de ecuaciones por reducción
x + y = 3
x - y = 7
x = 5, y = 2
x = 2, y = 1
x = 5, y = - 2
x = - 5, y = - 2
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Resuelve por igualación:
4x + 5y = -1
3x - 3y = 6
x = 1, y = 1
x = 1, y = - 1
x = 2, y = - 2
x = - 1, y = 1
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Cuando hemos resuelto un sistema con solución
no podemos comprobar si está bien
sustituyendo solo el valor de "y" en el sistema podemos comprobar que está bien
podemos comprobar que está bien sustituyendo la "x" y la "y"
sustituyendo solo el valor de "x" en el sistema podemos comprobar que está bien
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Resuelva por cualquier método:
5x - 7y = 43
8x + y = 20
x = - 2, y = 4
x = - 3, y = - 4
x = 2, y = 4
x = 3, y = - 4
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