Prueba con  Exponenciales y logaritmos

Prueba con Exponenciales y logaritmos

1st Grade - Professional Development

12 Qs

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Prueba con  Exponenciales y logaritmos

Prueba con Exponenciales y logaritmos

Assessment

Quiz

Mathematics

1st Grade - Professional Development

Medium

Created by

Ctistian Latorre

Used 1+ times

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12 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Indicar la solución de la siguiente ecuación exponencial:
 3(x+1)3(x+2)3x=633^{\left(x+1\right)}-3^{\left(x+2\right)}-3^x=-63  

x = 3

x = -3

x = 2 

x = -63

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 f(x)=log2(x+1)3f\left(x\right)=\log_2\left(x+1\right)-3  Indicar la raíz de la siguiente función logarítmica:

(3;0)

(2;0)

(7;0)

(8;0)

3.

MULTIPLE SELECT QUESTION

5 mins • 1 pt

Indicar cuales de los siguientes logaritmos están expresados correctamente:

log28=3\log_28=3

log381=6\log_381=6

log124=2\log_{\frac{1}{2}}4=-2

log5125=5\log_5125=5

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

¿Cuál de las siguientes expresiones, es correcta?

a3xax=a2x\frac{a^{3x}}{a^x}=a^{2x}

a(3x+1).aa2x=ax+1\frac{a^{\left(3x+1\right)}.a}{a^{2x}}=a^x+1

(a2x)3.a3x=a6x\left(a^{2x}\right)^3.a^{3x}=a^{6x}

x3=x3\sqrt{x^3}=x^3

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

  g(x)=7(x+1)6.7x1\ g\left(x\right)=7^{\left(x+1\right)}-6.7^x-1  Indicar la raíz de la siguiente función:

x = 2

x=1

x=0

x= -1

6.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

 42x3.4x=44^{2x}-3.4^x=4  Indicar la solución correcta de la ecuación exponencial. Para resolverla puedo utilizar cambio de variable.

x = 1

x = 0

x = -1

x =-2

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 log3(x+2)+log3(x+1)=log3(x21)\log_3\left(x+2\right)+\log_3\left(x+1\right)=\log_3\left(x^2-1\right)  Indicar la solución de la siguiente ecuación logarítmica:

x = 1

x = 2

x = 3

No tiene solución, el argumento se hace 0

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