
Sistema de ecuaciones
Quiz
•
Mathematics
•
8th Grade
•
Medium
Silvia Serrano
Used 1+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La suma de las edades de un padre y de su hijo es 70 y su diferencia es 28, ¿cuál es la edad de cada uno?
Si x = edad padre; y = edad hijo, elige el sistema correcto
x+y = 28
x-y = 70
x+y = 70
x-y = 28
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué método es el más adecuado para resolver este sistema?
x+y =70
x-y= 28
Sustitución
Igualación
Reducción
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El doble de la suma de dos números es 32 y su diferencia es 0. ¿Qué números son?
2x+y=32
x-y=0
2(x+y)=32
x-y=0
x+2y=32
x-y=0
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hemos comprado 3 canicas de cristal y 2 de acero por 1450 € y ayer, 2 de cristal y 5 de acero por 1700 €. Determinar el precio de una canica de cristal y de una de acero.
3x+2y=1450
2x+5y=1700
3x+2y= 1450
5x+2y=1700
x+y=1450
x+y=1700
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es el mejor método para este sistema?
2(x+y)=32
x-y=0
Sustitución
Igualación
Reducción
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es el mejor método para resolver este sistema?
3x+2y=1450
2x+5y=1700
Sustitución
Igualación
Reducción
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Averiguar el número patos y vacas de una granja
sabiendo que la suma de patos y vacas es 132
y la suma de sus patas es 402.
Patos x; vacas y
x+y=132
4x+4y=402
x+y=132
2x+4y=402
x+y=132
4x+2y=402
2x+4y=132
x+y=402
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