2022-11°-MATEMÁTICAS-Asincrónico-1

2022-11°-MATEMÁTICAS-Asincrónico-1

University

10 Qs

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2022-11°-MATEMÁTICAS-Asincrónico-1

2022-11°-MATEMÁTICAS-Asincrónico-1

Assessment

Quiz

Mathematics

University

Hard

Created by

Matemática Polo

Used 5+ times

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10 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Si a = √2 + 1, b = 1 - √3 y c = √12 + √18 ,

entonces 2a – b + 3c es igual a:

1 + 11√2 + 7√3

3 + 11√2 + 5√3

1 + 11√2 + 5√3

3 + 11√2 + 7√3

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

El número que no está entre –4 y –2 es:

- 2,3

- 2√3

- 22/7

- 3 - √3

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

si  x3=a\left|x-3\right|=a , con  a>0a>0 , entonces la ecuación: 

No tiene solución.

Tiene una única solución.

Tiene dos soluciones diferentes.

Tiene infinitas soluciones.

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Si a > b, entonces no es cierto que:

a – b sea positivo

a + 5 > b + 5

a + a > b + b

–a > –b

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 El mínimo común múltiplo de las expresiones(x3)(x+2)2 y (x3)2(x+2)(x+1)\left(x-3\right)\left(x+2\right)^2\ y\ \left(x-3\right)^2\left(x+2\right)\left(x+1\right)  es: 


 (x3)2(x+2)2(x+1)(x–3)^2(x+2)^2(x+1)  

 (x3)(x+2)(x–3)(x+2)  

 (x3)3(x+2)3(x+1)(x–3)^3(x+2)^3(x+1)  

 (x3)(x+2)(x+1)(x–3)(x+2)(x+1)  

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 Si 2x+33x2=ax+b(x+3)(x2)\frac{2}{x+3}-\frac{3}{x-2}=\frac{ax+b}{\left(x+3\right)\left(x-2\right)} , entonces

–a – b = 4

a + b = –14

a – b = 6

a + (–b) = –12

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 Si f(x)=3xx5,f\left(x\right)=\frac{3-x}{x-5}, entonces  f(1a)f\left(\frac{1}{a}\right)  es igual a: 

 3a15a1\frac{3a-1}{5a-1}  

 a53a\frac{a-5}{3-a}  

 3a2115a2\frac{3a^2-1}{1-5a^2}  

 3a115a\frac{3a-1}{1-5a}  

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