Ecuaciones lineales y método gráfico
Quiz
•
Mathematics
•
1st Grade
•
Practice Problem
•
Hard
*ROSA FRANCISCO
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10 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
El par (2,3) es solución de la ecuación 2x+3y=5
FALSO
VERDADERO
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
En la ecuación x−2y=3 existe una solución en la que x vale 5 e" y" vale:
-2
1
3
-4
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
El par (−1,3) es solución de la ecuación 2x+y = a. En ese caso a vale:
-1
0
3
1
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
El par (−3,5) es solución de la ecuación:
2x+y = −1
x+2y = 4
x−3y=5
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Por dos latas de refresco y 3 bolsas de patatas me han cobrado cinco euros. ¿Cuál de las siguientes expresiones no puede representar la frase anterior?
2x+3y = 5
3x+5y = 2
3x+2y = 5
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si tenemos un sistema de dos ecuaciones, siempre se verifica que toda solución de la primera es también solución de la segunda.
FALSO
VERDADERO
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
El par (−3,2) es solución del sistema
2X + 3Y=0
X-Y=-5
FALSO
VERDADERO
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