Operaciones básicas algebraicas

Operaciones básicas algebraicas

8th Grade

10 Qs

quiz-placeholder

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Operaciones básicas algebraicas

Operaciones básicas algebraicas

Assessment

Quiz

Mathematics

8th Grade

Practice Problem

Medium

Created by

Jesus Ordeñana

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

El resultado de reducir 5x8y+z2x+4y3z=5x-8y+z-2x+4y-3z= es: 

 3x4y2z3x-4y-2z  

 3x+4y2z3x+4y-2z  

 3x4y+2z3x-4y+2z  

 3x+4y+2z3x+4y+2z  

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Al reducir la expresión obtenemos (7a2b+c)+(4a+3b2c)=\left(7a-2b+c\right)+\left(4a+3b-2c\right)=  

 11ab+3c11a-b+3c  

 11a+bc11a+b-c  

 11a+5b3c11a+5b-3c  

 11a5b3c11a-5b-3c  

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Al reducir la expresión, obtenemos (5m+7n8)(3m+4n5)=\left(5m+7n-8\right)-\left(3m+4n-5\right)=  

 2m+11n+132m+11n+13  

 2m3n+132m-3n+13  

 2m+3n32m+3n-3  

 2m+11n32m+11n-3  

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Al desarrollar la expresión, obtenemos: 5(3x8y+6)=5\left(3x-8y+6\right)=  

 15x+40y3015x+40y-30  

 15x40y3015x-40y-30  

 15x+40y+3015x+40y+30  

 15x40y+3015x-40y+30  

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Al reducir la expresión (30x+25y40)÷5=\left(30x+25y-40\right)÷5= obtenemos 

 6x+5y86x+5y-8  

 6x+5y+86x+5y+8  

 6x5y86x-5y-8  

 6x5y+86x-5y+8  

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Al reducir la expresión 2(3x5y)+4(5x+2y)=2\left(3x-5y\right)+4\left(5x+2y\right)=  obtenemos:

 26x+2y26x+2y  

 26x2y26x-2y  

 26x18y26x-18y  

 26x+18y26x+18y  

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Al reducir la expresión 5(2m+n)3(4m2n)=5\left(2m+n\right)-3\left(4m-2n\right)=  obtenemos:

 2m+11n2m+11n  

 2m11n-2m-11n  

 2m+11n-2m+11n  

 2m11n2m-11n  

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