Test Diagnóstico

Test Diagnóstico

10th - 11th Grade

15 Qs

quiz-placeholder

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Test Diagnóstico

Test Diagnóstico

Assessment

Quiz

Mathematics

10th - 11th Grade

Hard

Created by

Jose Teran

Used 1+ times

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 34x12+x=15x+23\frac{3}{4}x-\frac{1}{2}+x=\frac{1}{5}x+\frac{2}{3}  En la siguiente ecuación, el mcm de los denominadores es

5

60

4

20

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 34x12+x=15x+23\frac{3}{4}x-\frac{1}{2}+x=\frac{1}{5}x+\frac{2}{3}  En la siguiente ecuación, al aplicar mcm, queda linealmente

 3x1+x=x+23x-1+x=x+2  

 90x60+120x=24x+8090x-60+120x=24x+80  

 45x30+60x=12x+4045x-30+60x=12x+40  

Ninguna de las anteriores

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 45x+30+60x=12x+4045x+30+60x=12x+40  Al aplicar los despejes respectivos y las operaciones básicas la ecuación queda

3x = 3

186x = 140

93x = 70

Ninguna de las anteriores

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 (x+2)(x5)=x5\left(x+2\right)\left(x-5\right)=x-5  Al aplicar la propiedad distributiva al planteamiento anterior nos queda:

 x210=x5x^2-10=x-5  

 2x+2x5x=x52x+2x-5x=x-5  

 x25x+2x10=x5x^2-5x+2x-10=x-5  

 2x3=x52x-3=x-5  

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 x25x+2x10=x5x^2-5x+2x-10=x-5  está ecuación despejada y simplificada, nos queda

 x2x5=0x^2-x-5=0  

 2x+5=0-2x+5=0  

 x24x5=0x^2-4x-5=0  

 x+2=0x+2=0  

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 x24x5=0x^2-4x-5=0  en está ecuación los valores de a, b, c para aplicar la formula, son:

1; -1; -5

0; -2; 5

1; -4; -5

0; 1; 2

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Sustituyendo los valores de a, b, c, 1; -4; -5, respectivamente, en la formula de la ecuación de segundo grado obtenemos:

2,75; 1,75

0

5; -1

1; -1

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