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Prueba de factorización 1°MA-1°MB

Authored by veronica vergara

Mathematics

9th Grade

Used 2+ times

Prueba de factorización 1°MA-1°MB
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7 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

La expresión  1k6=1-k^6= 


es equivalente a: 

 (1k3)(1k2)\left(1-k^3\right)\left(1-k^2\right)  

 (1k3)(1k3)\left(1-k^3\right)\left(1-k^3\right)  

 (1+k3)(1k3)\left(1+k^3\right)\left(1-k^3\right)  

 (1+k3)(1+k3)\left(1+k^3\right)\left(1+k^3\right)  

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

¿Qué factorización es correcta?

x23x+9=(x+3)2x^2-3x+9=\left(x+3\right)^2

y216y64=(y+8)2y^2-16y-64=\left(y+8\right)^2

a25a+25=(a5)2a^2-5a+25=\left(a-5\right)^2

9a224a+16=(3a4)29a^2-24a+16=\left(3a-4\right)^2

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Al factorizar 25p225-p^2  se obtiene:

 (5p)2\left(5-p\right)^2  

 (5p)(5+p)\left(5-p\right)\left(5+p\right)  

 (p+5)(p+5)\left(p+5\right)\left(p+5\right)  

 (10p)2\left(10-p\right)^2  

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 x24x5x^2-4x-5  

La factorización de la expresión  es:

 (x+5)(x1)\left(x+5\right)\left(x-1\right)  

 (x1)(x+5)\left(x-1\right)\left(x+5\right)  

 (x5)(x+1)\left(x-5\right)\left(x+1\right)  

 (x5)(x1)\left(x-5\right)\left(x-1\right)  

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Al factorizar 16x28x+116x^2-8x+1   queda:

 (4x+1)2\left(4x+1\right)^2  

 (4x1)2\left(4x-1\right)^2  

 (4x1)(4x+1)\left(4x-1\right)\left(4x+1\right)  

 (4x2+1)2\left(4x^2+1\right)^2  

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 81a236ab+4b2=81a^2-36ab+4b^2=  

¿Qué expresión es equivalente ?

 (9a+2b)2\left(9a+2b\right)^2  

 (9a2b)2\left(9a-2b\right)^2  

 (9a+2b)(9a2b)\left(9a+2b\right)\left(9a-2b\right)  

 (81a+4b)2\left(81a+4b\right)^2  

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Al factorizar  x2+8x+15x^2+8x+15  es: 

 (x+8)2\left(x+8\right)^2  

 (x5)(x3)\left(x-5\right)\left(x-3\right)  

 (x+3)(x+5)\left(x+3\right)\left(x+5\right)  

 (x+5)(x3)\left(x+5\right)\left(x-3\right)  

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