
Guía de Matemáticas I
Authored by Exequiel Álvarez
Mathematics
7th Grade
Used 2+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
El lenguaje algebraico del doble de un número aumentado en 4 es igual a 6
2x = 4
x + 2 = 4
2x + 2 + 4
2x + 4 = 6
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
De la expresión el triple de un número disminuido en 6 es igual a dos veces ese mismo número, su expresión algebraica es:
3x + 6 = 2
3x - 6 = 2x
3x + 6 = 2x
2x - 6 = 3x
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
El lenguaje común de 2x - 5 = 7 es:
El doble de un número disminuido en cinco es igual a siete
Un número disminuido en dos
El doble de un número disminuido en dos
El doble de un número disminuido en dos es igual a ocho
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Reduce la siguiente expresión algebraica: 6x + 7 - 4x + 2 + 5x - 3
-7x + 6
-7x - 6
7x - 6
7x + 6
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
La expresión 9x + 5 - 8x - 7 + 4x -3 simplificada es:
- 5x - 5
5x - 5
-5x + 5
5x + 4
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
El perímetro de un cuadrado de lado a= 4x + 5 es:
16x + 5
16x + 20
16x + 12
16x + 10
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Resuelve la siguiente ecuación: 8x - 2 - 2x = 10
x=2
x= 3
x= 4
x= 1
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