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PRE EVALUACIÓN 3

Authored by Melanie Sanchez

Mathematics

1st - 5th Grade

8 Questions

Used 5+ times

PRE EVALUACIÓN 3
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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Resolver por la identidad de Legendre:
 (3x+y)2+(3xy)2\left(3x+y\right)^2+\left(3x-y\right)^2  

 2(3x2+2y2)2\left(3x^2+2y^2\right)  

 2(9x2+y2)2\left(9x^2+y^2\right)  

No tengo idea.

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Resolver por la identidad de Legendre: (5x+2y)2(5x2y)2\left(5x+2y\right)^2-\left(5x-2y\right)^2  

 4(5x)(2y)4\left(5x\right)\left(2y\right)  

 2(5x)(2y)2\left(5x\right)\left(2y\right)  

No tengo idea.

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Resolver por la identidad de Legendre: (2m+7)2(2m7)2\left(2m+7\right)^2-\left(2m-7\right)^2  

 4(2m)(7)4\left(2m\right)\left(7\right)  

 2(2m)(7)2\left(2m\right)\left(7\right)  

No tengo idea.

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Resolver por la identidad de Legendre: (5a2+b3)2(5a2b3)2\left(5a^2+b^3\right)^2-\left(5a^2-b^3\right)^2  

 2(5a2)(b3)2\left(5a^2\right)\left(b^3\right)  

 4(5a2)(b3)4\left(5a^2\right)\left(b^3\right)  

No tengo idea. 

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 Resolver por la identidad de Argand:

 256x12+16x6+1256x^{12}+16x^6+1  

 (16x6+4x3+1)(16x64x3+1)\left(16x^6+4x^3+1\right)\left(16x^6-4x^3+1\right)  

 (4x6+4x3+1)(4x64x31)\left(4x^6+4x^3+1\right)\left(4x^6-4x^3-1\right)  

No tengo idea.

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Factorizar:
 x5+x1x^5+x-1  

 (x2+x+1)(x3x2+1)\left(x^2+x+1\right)\left(x^3-x^2+1\right)  

 (x2x+1)(x3+x21)\left(x^2-x+1\right)\left(x^3+x^2-1\right)  

No tengo idea.

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Factorizar:
 (x+2)(x+3)(x+5)(x+6)40\left(x+2\right)\left(x+3\right)\left(x+5\right)\left(x+6\right)-40  

 (x2+8x+20)(x+7)(x+1)\left(x^2+8x+20\right)\left(x+7\right)\left(x+1\right)  

 (x2+4x+5)(x2+2x+4)\left(x^2+4x+5\right)\left(x^2+2x+4\right)  

No tengo idea.

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