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Prepa 2 ,

Authored by Fernando Urbina

Mathematics

1st - 12th Grade

Used 155+ times

Prepa  2 ,
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11 questions

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1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

El resultado de. 4 x5x^5  -12 x4x^4  +12x - 23 x5x^5  -11x
-22 x4x^4  

-52 x20x^{20}  

-19 x5x^5  -34 x4x^4  +x

19 x^5  +34 x^4  -x

52 x^{20}  

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Al desarrollar (-3)4

12

-12

-81

81

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Al multiplicar los siguientes monomios: (-3x4y5z6)(8xyz)=

24x4 y5 z6

-24x4 y5 z6

-24x5 y6 z7

24x5 y6 z7

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

El resultado de la operación:

(35 x2m+7 y4n -2 )( 311 x 11-6m y n-4)( 3 x4 y -5)

27 x4m 22 y4n14

316 x-12m-308 y4n-40

-316 x-12m-308 y4n-40

317 x-4m+22 y5n-11

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

determina a que conjunto de números pertenece

 3121\frac{-3}{\sqrt{121}}  

Naturales

Enteros

Racionales

Irracionales

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

6x2-12x + 27x3 -5x2 +8x -19x3 -x2 -3x +10x3 +7x-18x3 =

cero

x3 -x2 +x

Ninguba de las anteriores

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

(2x4 y2 z3) ( -3x2 y4 z2) =

-6 x9 y11 z13

-6x20 y30 z13

-6x6 y6 z5

24 x9 y11 z13

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