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5to y 6to SEC

Authored by Luis Ortega

Mathematics

9th - 12th Grade

Used 1+ times

5to y 6to SEC
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70 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

El valor numérico de la expresión 

4x3y−2x4y4+5−7xy54x^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+7−p−4+4p−2-6p+7-p-4+4p-2  el resultado es:

 

−3p+1-3p+1  

3p+13p+1  

−11p−5-11p-5  

−2p−1-2p-1  

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt


Suma las siguientes expresiones algebraicas: 
7h−27h-2  con  −4h+8-4h+8  el resultado es:

 

−3h+6-3h+6  

3h−63h-6  

−3h−6-3h-6  

3h+63h+6  

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(2a−5)-6\left(2a-5\right)  

 

−12a+30-12a+30  

12a−3012a-30  

−12a−5-12a-5  

−12a−30-12a-30  

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:


7y−37y-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(b−2)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  

7b−267b-26  

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