
POBLEMARIO MATEMÁTICO
Authored by Ana María Lez
Mathematics
3rd Grade
Used 3+ times

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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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