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PRUEBA: ECUACIONES EXPONENCIALES Y LOGARÍTMICAS

Authored by Saidy Cabrera

Mathematics

12th Grade

Used 42+ times

PRUEBA: ECUACIONES EXPONENCIALES Y LOGARÍTMICAS
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10 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

La solución de la ecuación  8(x+1)=2(2x+5)8^{\left(x+1\right)}=2^{\left(2x+5\right)}  corresponde a 

2

4

6

10

2.

MULTIPLE SELECT QUESTION

5 mins • 1 pt

El logab=c entonces:

ab=c

ba=c

ac=b

bc=a

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Si el loga(x.y) es igual a:

logax . logay

logxa+logya

logxa . logya

logax+logay

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

3(2x+1)=27 entonces x es igual a

1

2

3

4

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Se denomina función exponencial a toda función de la forma: (con a>0)

f(x)= ax+b

f(x)= logax-c

f(x)= k.ax-b+c

f(x)= ax2+bx+c

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Al desarrollar la expresión logarítmica log6 5x, la respuesta es

Log a + log 5x

log6 5 – log6 x

log 65x

log6 5 + log6 x

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 f(x) = log (x3 y2) ÷ (x+3)3f\left(x\right)\ =\ \log\ \left(x^3\ y^2\right)\ \div\ \left(x+3\right)^3  

f(x) = 3 log x + 2 log y - 3 log (x +3)

f(x) = 3 log x + 2 log 2 - 3 log x +3 log 3

f(x) =  log 3x +  log 4 - 3 log (x +3)

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