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Multiplicación de polinomios. Semana 4.

Authored by Profesor Matemática

Mathematics

2nd Grade

Used 1+ times

Multiplicación de polinomios. Semana 4.
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11 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

¿Cuál es el resultado de (x+3) (x–5)?

8x2 + 2x +15

x2 – 2x - 15

2x2 – 2x + 8

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

El resultado de (3x+5) (3x-5) corresponde a

6x2-10

9x2-30x+25

9x2-25

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

El resultado del siguiente producto 

 10m4n3(4m3n25)-10m^4n^3\cdot\left(4m^3n^2-5\right)  corresponde a

 40m12n6+50m4n3-40m^{12}n^6+50m^4n^3  

 40m7n550m3n4-40m^7n^5-50m^3n^4  

 40m7n5+50m4n3-40m^7n^5+50m^4n^3  

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

El resultado de 

 3a2b(2a+5b)-3a^2b\cdot\left(-2a+5b\right)  corresponde a

 6a3b15a2b26a^3b-15a^2b^2  

 6a3b15ab6a^3b-15ab  

 6a2b15a2b26a^2b-15a^2b^2  

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Al simplificar la expresión

 (3x+1)(4x22x)\left(3x+1\right)\left(4x^2-2x\right)  se obtiene como resultado

 12x2+4x+612x^2+4x+6  

 12x3+4x22x12x^3+4x^2-2x  

 12x32x22x12x^3-2x^2-2x  

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

La respuesta al producto (3ab)(4a - 5ab4+2abc3) es:

7ab - a2b + 5a2b2c3

12a2b - 15a2b5 + 6a2b2c3

12ab - 15ab4 + 6abc3

7ab - 8ab4+ 5abc3

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

(x+3) (x2 + 3x - 5)

x3 -6x2 + 4x -15

x3 + 6x2 + 4x -15

-x3 -6x2 + 4x -15

x3 +6x2 - 4x -15

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