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Soma e produto de polinômios

Authored by Jéssica Souza

Mathematics

8th Grade

Used 18+ times

Soma e produto de polinômios
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12 questions

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1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Qual o grau do polinômio 5abcd

1

3

4

5

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

 P(x) + Q(x) + R(x) + S(x)

 2x5+5x3+6x23x32x^5+5x^3+6x^2-3x-3  

 2x56x4+9x310x2+13x32x^5-6x^4+9x^3-10x^2+13x-3  

 2x53x4+7x35x2+4x72x^5-3x^4+7x^3-5x^2+4x-7  

 2x55x4+2x33x2+4x32x^5-5x^4+2x^3-3x^2+4x-3  

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

10x3 + 4x - 5x3 + 8x - 10

15x3+12x-10

15x3+12x+10

5x3+12x+10

5x3+12x-10

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

(5x2y-xy2+5x-3)+(4xy2-3y+7xy-5)+(2x2y-3xy)

7x2y + 3xy2 - 3y + 4xy + 5x - 8
7x2y + 3xy2 - 3y + 4xy + 5x + 2
7x2y - 5xy2 - 3y + 4xy + 5x - 8
3x2y + 3xy2 - 3y + 4xy + 5x - 8

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

Qual o perímetro da figura?

6x - 1

24x + 12

8x + 6

12x + 6

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image


Qual das expressões seguintes representa a área do losango [ABCD]?
Nota:  Alosango=D×d2Alosango=\frac{D\times d}{2}  

 x28x+16x^2-8x+16  

 x216x^2-16  

 x2162\frac{x^2-16}{2}  

 x28x+162\frac{x^2-8x+16}{2}  

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Qual das expressões seguintes é igual a  3x2(2x+1)3x^2\left(-2x+1\right)  

 6x3+3x26x^3+3x^2 

 6x3+3x2-6x^3+3x^2 

 6x33x26x^3-3x^2 

 6x33x2-6x^3-3x^2 

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