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1º Prueba de Diagnóstico 10º A 2021-2022

Authored by Edgar Sánchez

Mathematics

9th Grade

Used 17+ times

1º Prueba de Diagnóstico 10º A    2021-2022
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14 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Resolver

 (7845)÷(920310)\left(\frac{7}{8}-\frac{4}{5}\right)\div\left(\frac{9}{20}-\frac{3}{10}\right)  

 23\frac{2}{3}  

 12\frac{1}{2}  

 9800\frac{9}{800}  

 940\frac{9}{40}  

NINGUNA

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Realizar la siguiente sustracción

 (6x23x7)(8x2+7x+4)\left(6x^2-3x-7\right)-\left(8x^2+7x+4\right)  

 14x210x+1114x^2-10x+11  

 4x2+10x11-4x^2+10x-11  

 2x210x11-2x^2-10x-11  

 23x23x  

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Realice el siguiente producto notable

 (x+3)(x7)\left(x+3\right)\left(x-7\right)  

 x210x21x^2-10x-21  

 x2+10x10x^2+10x-10  

 x27x+21x^2-7x+21  

 x24x21x^2-4x-21  

NINGUNA

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Factorizar

 8x4 4x3+6x28x^{4\ }-4x^3+6x^2  

 2x2(4x22x+3)2x^2\left(4x^2-2x+3\right)  

 8x2(x22x+4)8x^2\left(x^2-2x+4\right)  

 2x2(3x2+2x+4)2x^2\left(3x^2+2x+4\right)  

NINGUNA

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Factorizar

 16x29y216x^2-9y^2  

 (4x3y)\left(4x-3y\right)  

 (4x+3)\left(4x+3\right)  

 (4x3)2\left(4x-3\right)^2  

 (4x3y)(4x+3y)\left(4x-3y\right)\left(4x+3y\right)  

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Factorizar

 x2+13x+42x^2+13x+42  

 (x+8)(x+13)\left(x+8\right)\left(x+13\right)  

 (x6)(x7)\left(x-6\right)\left(x-7\right)  

 (x+6)(x+7)\left(x+6\right)\left(x+7\right)  

 (x+6)(x6)\left(x+6\right)\left(x-6\right)  

NINGUNA

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

El valor de la incógnita de esta ecuación

 7(x2)6x+1=34x7\left(x-2\right)-6x+1=3-4x  es:

 x=2x=2  

 x=3x=3  

 x=5x=5  

 x=6x=6  

NINGUNA

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