SISTEMAS DE ECUACIONES 3º ESO
Quiz
•
Mathematics
•
9th Grade
•
Practice Problem
•
Medium
Standards-aligned

Rocío Casillas
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12 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Resuelve el siguiente sistema por el método de sustitución:
x + y = 0
2x + 3y = -2
x = -4 ; y = 4
x = -2 ; y = 2
x = 4 ; y = -4
x = 2 ; y = -2
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Resuelve el siguiente sistema utilizando el método de igualación:
2x - y = -10
x + 3y = 9
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Resuelve el sistema, operando adecuadamente para poder aplicar el método de reducción:
x - 2y = -11
-x + y = 7
x = 2 ; y = 4
x = -3 ; y = 4
x = -2 ; y = 4
x = 3 ; y = -4
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
En una reunión, si cada persona come 5 pasteles, sobran 3; pero si comen 6, falta 1. ¿Cuántas personas y pasteles hay?
(x = nº personas ; y = nº pasteles)
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Un hotel tiene, entre dobles e individuales, 120 habitaciones. Si el número de camas es 195, ¿cuántas habitaciones dobles tiene? ¿E individuales?
(x = nº hab individuales; y = nº hab dobles)
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Calcula dos números tales que la suma de la mitad del primero más la tercera parte del segundo dé como resultado 16 y que el doble del primero menos la mitad del segundo dé como resultado 42.
Tags
CCSS.8.EE.C.8C
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Un sistema que no tiene solución es
Tags
CCSS.8.EE.C.8B
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