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Revisando monômios

Authored by LERTYANE LIMA

Mathematics

8th Grade

CCSS covered

Used 49+ times

Revisando monômios
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16 questions

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1.

MULTIPLE SELECT QUESTION

5 mins • 1 pt

Quais das seguintes expressões representam monômios?

x+5x+5

12x2y3z5-\frac{1}{2}x^2y^3z^5

x2y3x^2-y^3

 4x54x-5 

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

- 7x

- 11x

7x

11x

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

O resultado da operação  (3x2e)(5xe2)\left(3x^2e\right)\left(5xe^2\right)  é igual a :

 3x3e33x^3e^3  

 5x3e35x^3e^3  

 15x3e315x^3e^3  

 10 x²e³10\ x²e³  

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

O valor numérico para  x = 2x\ =\ 2  na expressão algébrica 
 3x2+23x ^ 2 + 2  é

8

14

12

15

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

A expressão algébrica x4+b2+3x4+2b2x^4+b^2+3x^4+2b^2  equivale a

 4x4+3b24x^4+3b^2  

 3x4+b23x^4+b^2  

 3b2+5x43b^2+5x^4  

 3b³  4x²3b³\ -\ 4x²  

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 2x5+3x5+12x55x52x^5+3x^5+12x^5-5x^5  

 13x313x^3  

 12x512x^5  

 125x12^5x  

 8x55x58x^5-5x^5  

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