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Ecuaciones exponenciales y logarítmicas

Authored by navaced CR

Mathematics

11th Grade

Used 5+ times

Ecuaciones exponenciales y logarítmicas
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

     La solución de log3x2log3x=3\log_3x^2-\log_3x=3 corresponde a  

27

 3123^{\frac{1}{2}}  

3

1

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

El conjunto solución de  ln(x3)+ln(x2)=ln(2x+24)\ln\left(x-3\right)+\ln\left(x-2\right)=\ln\left(2x+24\right) corresponde a  

 {2,9}\left\{-2,9\right\}  

 {2}\left\{-2\right\}  

 {9}\left\{9\right\}  

 {2}\left\{2\right\}  

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

La solución de  log31x=12\log_3\sqrt{1-x}=\frac{1}{2}  corresponde a  

-3

-2

2

3

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

La solución de 2logxlog2=log82\log_{ }x-\log_{ }2=\log_{ }8 corresponde a  

4

5

8

 10\sqrt{10}  

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

El conjunto solución de  2log9(x1)=12\log_9\left(x-1\right)=1  corresponde a  

{2}

{4}

{0, 2}

{-2, 4}

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

La solución de  7x1=37^{x-1}=3   corresponde a 

 log3\log_{ }3  

 log710\log_710  

 log721\log_721  

 1+log3log7\frac{1+\log_{ }3}{\log_{ }7}  

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

La solución de 2x3=62^{x-3}=6  corresponde a  

 2+log23-2+\log_23  

 4+log234+\log_23  

 4+log3log2\frac{4+\log_{ }3}{\log_{ }2}  

 3+log6log2\frac{3+\log_{ }6}{\log_{ }2}  

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