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Authored by Nixia Ureña

Mathematics

11th Grade

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15 questions

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1.

FILL IN THE BLANK QUESTION

2 mins • 1 pt

Resuelve log5x=3\log_5x=3  

2.

FILL IN THE BLANK QUESTION

2 mins • 1 pt

Resuelve

 log2(5x3)= 5\log_2\left(5x-3\right)=\ 5  

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 log3(9a)=log3(82a)\log_3\left(9-a\right)=\log_3\left(8-2a\right)  

el valor de  aa  que cumple la igualdad es:

 1010  

 10-10  

 11  

 1-1  

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 log6 x  log6 (x4)=log6 45\log_6\ x\ -\ \log_6\ \left(x-4\right)=\log_6\ 45  

¿cuál es el valor de x?

 456\frac{45}{6}  

 347\frac{3}{47}  

 320\frac{3}{20}  

 4511\frac{45}{11}  

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 log8 4x  log8 10=1\log_8\ -4x\ -\ \log_8\ 10=1  

para que la igualdad se cumpla x vale:

 20-20  

 88  

 245\frac{24}{5}  

 1515  

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 log4 (x6)+log4 3=log4 70\log_4\ \left(x-6\right)+\log_4\ 3=\log_4\ 70  

¿cuál es el valor de x en la ecuación?

 883\frac{88}{3}  

 180180  

 338\frac{33}{8}  

 458\frac{45}{8}  

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

El valor de x, que satisface la ecuación

 log52+log5(x4)=1\log_52+\log_5\left(x-4\right)=1  es:

 11  

 35\frac{3}{5}  

 132\frac{13}{2}  

 92\frac{9}{2}  

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