Signos de agrupación

Signos de agrupación

7th Grade

10 Qs

quiz-placeholder

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Signos de agrupación

Signos de agrupación

Assessment

Quiz

Mathematics

7th Grade

Hard

Created by

Jose Ixcatcoy

Used 152+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Suprimir el signo:

 (2x3y+2)+2xy-\left(2x-3y+2\right)+2x-y  

2y-2

6y+2

4x-2y+2

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Hallar el valor numérico de:

 2xy2xy   si  x=-1  y =-2

4

-4

0

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Al suprimir signos de agrupación se realiza primero....

Lo que está mas encerado

Lo que esta más afuera

Ninguna de las anteriores

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Cuando hay un signo menos antes de un signo de agrupación se realiza lo siguiente:

Se cambian los signos a todos los términos que están adentro.

No se cambia de signo

No importa el signo

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Resolver:

 (2x+3y)+(5x+4y)-\left(2x+3y\right)+\left(5x+4y\right)  

3x+y

7x+7y

-3x-y

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Hallar el valor de numérico de:

 4xy4xy   si  x=2    y=-3

-24

24

-12

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Suprimir signos:

 (2(3x2)+5x)-\left(2-\left(3x-2\right)+5x\right)  

8x-4

8x+4

2x-6

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