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Actividad N° 2 Octavo

Authored by Vanessa Hernández

Mathematics

8th Grade

Used 4+ times

Actividad N° 2 Octavo
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8 questions

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1.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

El resultado de efectuar (3x2+4x4)(2x43x2)-\left(3x^2+4x^4\right)-\left(2x^4-3x^2\right)  corresponde a 

 6x4-6x^4  

 3x2+6x4-3x^2+6x^4  

 6x8-6x^8  

 8x49x4-8x^4-9x^4  

2.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

El resultado de efectuar  (4a2b+7ab)+(3ab14a2b)-\left(-4a^2b+7ab\right)+\left(3ab-14a^2b\right)  corresponde a

 10a2b4ab-10a^2b-4ab  

 18a2b+10ab-18a^2b+10ab  

 10a2b10ab10a^2b-10ab  

 18a2b10ab18a^2b-10ab  

3.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

El resultado de efectuar  (4a5b)+(7b+a)(2b5a)\left(4a-5b\right)+\left(7b+a\right)-\left(2b-5a\right) corresponde a  

 10a10a  

 10a10b10a-10b  

 4b4b  

0

4.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

El resultado de efectuar  2a3b2(4ac+3a2b4a4b3)-2a^3b^2\left(4ac+3a^2b-4a^4b^3\right) corresponde a  

 8a4b2c6a5b3+8a7b5-8a^4b^2c-6a^5b^3+8a^7b^5  

 6a3b2c+a6b2 6a12b66a^3b^2c+a^6b^2\ -6a^{12}b^6  

 8a3b2c6a6b2+8a12b6-8a^3b^2c-6a^6b^2+8a^{12}b^6  

 8a4b2c6a5b38a7b58a^4b^2c-6a^5b^3-8a^7b^5  

5.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

El resultado de efectuar  a3b2c(5abc7a3b)a^3b^2c\left(5abc-7a^3b\right)   corresponde a 

 5a4b3c27a6b3c5a^4b^3c^2-7a^6b^3c  

 5a3b2c7a9b2c5a^3b^2c-7a^9b^2c  

 5a4b3c27a6b35a^4b^3c^2-7a^6b^3  

 6a4b3c26a6b3c6a^4b^3c^2-6a^6b^3c  

6.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

El resultado de efectuar  2x4y3(x2y27xy4)-2x^4y^3\left(x^2y^2-7xy^4\right)  corresponde a 

 2x6y5+14x5y7-2x^6y^5+14x^5y^7  

 2x8y6+14x4y12-2x^8y^6+14x^4y^{12}  

 x6y59x5y7-x^6y^5-9x^5y^7  

 2x6y517x5y7-2x^6y^5-17x^5y^7  

7.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

El resultado de efectuar  (x2+3x)(x22x)\left(x^2+3x\right)\left(x^2-2x\right)  corresponde a 

 x4+x36x2x^4+x^3-6x^2  

 x4+5x36x2x^4+5x^3-6x^2  

 x4+x66x2x^4+x^6-6x^2  

 x4x36xx^4-x^3-6x  

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