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Números reales 1º Bach CCSS

Authored by gabriel hurtado

Mathematics, Science, Fun

11th Grade

Used 4+ times

Números reales 1º Bach CCSS
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9 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

El número e es un número:

irracional

irracional y real

racional y real

Ninguna es correcta

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

El número

 2\sqrt{-2}  es un número:

Irracional

Irracional y real

Racional y real

Ninguna de las anteriores

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

Simplifica la expresión:

a

a2aa^2\sqrt{a}

a3aa^3\sqrt{a^{ }}

aaa\sqrt{a}

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Calcula el valor de x, utilizando la definición de logaritmo:

 logx64=3\log_x64=3  

6

3

4

Ninguna de las anteriores

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Averigua qué valores de x son los que cumplen esta desigualdad:


|x - 5| ≤ 2

[3,7]

(3,5)

[3,5]

(3,5]

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Simplifica al máximo la expresión:

 18×4510\sqrt{18}\times\sqrt{\frac{45}{10}}  

9

8

 2\sqrt{2}  

 25\sqrt{\frac{2}{5}}  

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Racionaliza:

 233\frac{2}{3-\sqrt{3}}  

 3+33\frac{3+\sqrt{3}}{3}  

 2(3+3)3\frac{2\left(3+\sqrt{3}\right)}{3}  

2

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