Repaso 4º ESO

Repaso 4º ESO

10th Grade

20 Qs

quiz-placeholder

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Repaso 4º ESO

Repaso 4º ESO

Assessment

Quiz

Mathematics

10th Grade

Practice Problem

Hard

Created by

Jaime Suárez

Used 28+ times

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20 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

En forma de intervalo la desigualdad  3x3\le x  es

 (3,+)\left(3,+\infty\right)  

 (,3)\left(-\infty,3\right)  

 (,3]\left(-\infty,3\right]  

 [3,+)\left[3,+\infty\right)  

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Calcula el valor de x en  216x32 =42\cdot16^x\cdot32\ =4  

x=-1

x=0

x=2

x=1

3.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

¿Cual o cuales de los siguientes números están en notación científica?

 5,310x5,3\cdot10^x  

 1717  

 450105450\cdot10^5  

 8,6351038,635\cdot10^{-3}  

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Si introducimos factores en el radical  35223\cdot5^2\cdot\sqrt{2}  resulta:

 11250\sqrt{11250}  

 450\sqrt{450}  

 10280\sqrt{10280}  

 77\sqrt{77}  

5.

FILL IN THE BLANK QUESTION

30 sec • 1 pt

No existe logaritmo de cero ni de números...(una palabra)

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

¿En qué porcentaje aumenta o disminuye un número multiplicado por 0,9?

+10%

-10%

-90%

+90%

7.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

¿Cuál o cuáles de las siguientes expresiones son monomios?

12x\sqrt{12x}

4x\frac{4}{x}

3x23x^{-2}

x23x^2\sqrt{3}

35xy2\frac{3}{5}xy^2

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