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Repaso 0 Carlos Moscoso

Authored by Carlos Zarcillo

Mathematics

1st - 2nd Grade

Used 8+ times

Repaso 0 Carlos Moscoso
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40 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

El valor de la ecuación

 3(2x1) = 13^{\left(2x-1\right)\ }=\ 1  es

2

 12-\frac{1}{2}  

-2

 12\frac{1}{2}  

No se 

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

al resolver el siguiente sistema

2x - y

x + 3y

se tiene

x = -1

y = -2

x = 3

y = 1

x = 3

y = -1

x = 0

y = -5

No se

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Dos ángulos rectos equivalen a:

π rad\pi\ rad

π2 rad\frac{\pi}{2}\ rad

2π rad2\pi\ rad

Ninguno

No se

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

En la ecuación 2 senx-1=0, "x" equivale a:

90º

30º ; 150º

60º ; 120º

Ninguno

No se

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

al aplicar propiedades de logaritmos a :

 logb(a   3yz)\log_b\left(\frac{a\ ^{\ \ 3}\sqrt{y}}{\sqrt{z}}\right)  

    logba  3y+logbz\log_ba\ ^{\ 3}\sqrt{y}+\log_b\sqrt{z}  

 logb a+ logby3 + logxz2\log_{b\ }a+\ \log_by^3\ +\ \log_xz^2  

 logba+logby3logxy2\log_ba+\frac{\log_by}{3}-\frac{\log_xy}{2}  

Ninguno

No se

6.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt


 5x2x\frac{5x^2}{x}  es equivalente a   

 5x35x^3  

 5x5x  

5

x

No se

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

La solución de la ecuación

x2 + 2ax = 35a2 es

x1= 1 ; x2= -7

x1= 5a ; x2= -7a

x1= -5a ; x2= -7a

Ninguno

No se

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