Quizziz OPERACIONES con EXPRESIONES ALGEBRAICAS

Quizziz OPERACIONES con EXPRESIONES ALGEBRAICAS

8th Grade

10 Qs

quiz-placeholder

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Quizziz OPERACIONES con EXPRESIONES ALGEBRAICAS

Quizziz OPERACIONES con EXPRESIONES ALGEBRAICAS

Assessment

Quiz

Mathematics

8th Grade

Medium

Created by

Alicia Echeverría

Used 78+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 (3ab5a)(2ab+5a) =-\left(3ab-5a\right)-\left(2ab+5a\right)\ =  

5ab

5ab - 10a

-5ab

-5ab + 10a

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 2m[(3n4m)5n]m =-2m-\left[\left(3n-4m\right)-5n\right]-m\ =  

-m+2n

m+2n

2m+2n

-7m-2n

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 5x+(7y4x)[(2y8x)6y] =5x+\left(7y-4x\right)-\left[-\left(2y-8x\right)-6y\right]\ =  

-8x+15y

9x-y

-7x+15y

-6x+y

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 (3x5)(4x²2x) =\left(3x-5\right)\left(4x²-2x\right)\ =  

12x³+26x²+10x

12x³-26x²+10x

12x²-26x²+10x

12x³+26x²-10x

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 (2m3n)(3n+2) =\left(2m-3n\right)\left(3n+2\right)\ =  

6mn+4m-6n²+6n

6mn+4m-6n²-6n

6mn-4m-9n²+6n

6mn+4m-9n²-6n

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 10pq²(6ap3pq+4b) = -10pq²\left(6ap-3pq+4b\right)\ =\   

-60 ap²q² + 30 p²q³ - 40 bpq²

60 ap²q² + 30 p²q³ + 40 bpq²

-60 ap²q² + 30 p³q² + 40 bpq²

60 ap²q² + 30 p³q² - 40 bpq²

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 (12cd²1)(6c²d8cd) =\left(-\frac{1}{2}cd²-1\right)\left(6c²d-8cd\right)\ =  

-3c²d² + 4cd² - 6c²d + 8cd

-3c²d² - 4cd² + 6c²d - 8cd

-3c³d³ + 4c²d³ - 6c²d + 8cd

3c³d³ - 4c²d³ + 6c²d - 8cd

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