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POBLEMARIO MATEMÁTICO

Authored by Ana María Lez

Mathematics

3rd Grade

Used 3+ times

POBLEMARIO MATEMÁTICO
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Obtén el resultado del siguiente binomio elevado al cuadrado: (𝑥+5)2.

a) 𝑥2+24𝑥+25

b) 𝑥2+14𝑥+25

c) 𝑥2+10𝑥+25

d) 𝑥2+20𝑥+25

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Es la fórmula para desarrollar un binomio elevado al cubo.

a) (𝑎+𝑏)3=𝑎3+3𝑎𝑏+𝑏3

b) (𝑎+𝑏)3=𝑎3+3𝑎2𝑏+3𝑎𝑏2+𝑏3

c) (𝑎+𝑏)3=𝑎2+3𝑎2𝑏+𝑏3

d) (𝑎+𝑏)3=3𝑎3+𝑎2𝑏+𝑎𝑏2+3𝑏3

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Determina el producto de (5𝑚+2𝑛)(5𝑚−2𝑛).

a) 25𝑚2−4𝑛

b) 25𝑚2−4𝑛2

c) 25𝑚2−4𝑛4

d) 25𝑚2−2𝑛2

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Es la factorización de 100−9𝑥4.

a) (10+81𝑥2)(10−81𝑥2)

b) (20+3𝑥2)(20−3𝑥2)

c) (10+3𝑥)(10−3𝑥)

d) (10+3𝑥2)(10−3𝑥2)

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Factoriza las siguientes expresiones por el método del factor común. 1. 𝑎2+𝑎𝑏

a) 𝑎2(𝑎+𝑏)

b) 𝑎𝑏(𝑎+𝑏)

c) 𝑏(𝑎+𝑏)

d) 𝑎(𝑎+𝑏)

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Factoriza la siguiente expresión: 𝑚𝑥−𝑛𝑥+𝑚𝑦−𝑛𝑦.

a) (𝑚−𝑛)(𝑥+𝑦)

b) (𝑚+𝑛)(𝑥+𝑦)

c) (𝑚−𝑥)(𝑛+𝑦)

d) (𝑚+𝑥)(𝑛+𝑦)

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

¿Cuál es uno de los factores que quedan al factorizar el polinomio 6𝑎𝑥+3𝑎+1+2𝑥?

a) 3𝑎−1

b) 3𝑎+𝑥

c) 2𝑥+1

d) 2𝑥+𝑎

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