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Operaciones algebraicas

Authored by Willian Ernesto Hern�ndez Rodr�guez

Mathematics

7th Grade

CCSS covered

Used 481+ times

Operaciones algebraicas
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10 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

El valor numérico de la expresión 

 4x3y2x4y4+57xy54x^3y-2x^4y^4+5-7xy^5  para  x=1; y=1x=-1;\ y=1  es:

18

6

14

7

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt


Reduce la siguiente expresión algebraica:
 6p+7p4+4p2-6p+7-p-4+4p-2  el resultado es:

 

 3p+1-3p+1  

 3p+13p+1  

 11p5-11p-5  

 2p1-2p-1  

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt


Suma las siguientes expresiones algebraicas: 
 7h27h-2  con  4h+8-4h+8  el resultado es:

 

 3h+6-3h+6  

 3h63h-6  

 3h6-3h-6  

 3h+63h+6  

Tags

CCSS.7.EE.A.1

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt


Resta la siguiente expresión algebraica. 
 De 2n+5De\ -2n+5 restar  6n+16n+1  se obtiene: 


 8n+4-8n+4  

 4n+64n+6  

 8n+6-8n+6  

 8n+48n+4  

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt


Efectúa la siguiente multiplicación: 
 6(2a5)-6\left(2a-5\right)  

 

 12a+30-12a+30  

 12a3012a-30  

 12a5-12a-5  

 12a30-12a-30  

Tags

CCSS.HSA.APR.A.1

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt


Al realizar la siguiente división
 (21y+9)÷(3)\left(-21y+9\right)\div\left(-3\right)  se obtiene:


 7y37y-3  

 7y+3-7y+3  

 7y+97y+9  

 7y+37y+3  

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt


La operación combinada
 4(b+5)3(b2)4\left(-b+5\right)-3\left(b-2\right)  al simplificar se tiene:


 7b+26-7b+26  

 7b+3-7b+3  

 7b+14-7b+14  

 7b267b-26  

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