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Polinómios

Authored by Marta Cruz

Mathematics

8th Grade

Used 49+ times

Polinómios
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10 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Quais são os termos do polinómio representado.

 2x2y3x+52x^2y-3x+5  

  \    2, 3; 52,\ -3;\ 5  

 2x2y; 3x; 52x^2y;\ -3x;\ 5  

 2x2y; 3x2x^2y;\ -3x  

 2x2y; 3x; 52x^2y;\ 3x;\ 5  

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

O grau do polinómio apresentado é:

 3x3y+4x53x103x^3y+4x^5-3x-10  

3

4

5

8

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 5x2+4x3-5x^2+4x-3  

  
O termo independente do polinómio apresentado é:

 3-3  

 33  

 4x4x  

 5-5  

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Qual dos polinómios está na forma reduzida?

4x3+3x25+10x+4x2-4x^3+3x^2-5+10x+4x^2

7x+56y7x+5-6y

6xy+24yx6xy+2-4yx

3+x103+x-10

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 2axy23y+72axy^2-3y+7  
 x,y x,y\     \    variaˊveisvariáveis  
 a a\   é um número real não nulo
Os coeficientes do polinómio apresentado é:

 2;3;72;-3;7  

 77  

 x; yx;\ y  

 2a; 3; 72a;\ -3;\ 7  

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 3xy2+4x7x2y+4y2xy23xy^2+4x-7x^2y+4y-2xy^2  

Quais são os termos semelhantes do  polinómio apresentado.

 3xy2; 7x2y3xy^2;\ -7x^2y  

 3xy2; 2xy23xy^2;\ -2xy^2  

 4x;4y4x;4y  

 3xy2;7x2y;2xy23xy^2;-7x^2y;-2xy^2  

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Simplifica a seguinte operação entre polinómios: 


 (6x4y+5)+(2x+3y10)\left(6x-4y+5\right)+\left(2x+3y-10\right)  

 8x7y58x-7y-5  

 8xy+58x-y+5  

 8x7y158x-7y-15  

 8xy58x-y-5  

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