Divisioni polinomi e Ruffini recupero

Divisioni polinomi e Ruffini recupero

9th Grade

6 Qs

quiz-placeholder

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Divisioni polinomi e Ruffini recupero

Divisioni polinomi e Ruffini recupero

Assessment

Quiz

Mathematics

9th Grade

Medium

Created by

Cinzia Mariani

Used 13+ times

FREE Resource

6 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 (7+x36x):(x+1)\left(7+x^3-6x\right):\left(x+1\right)  Esegui la divisione

 Q(x)=(5+x22x)    R(x)= 4Q\left(x\right)=\left(5+x^2-2x\right)\ \ \ \ R\left(x\right)=\ -4  

 Q(x)=x2+x5    R(x)=2Q\left(x\right)=x^2+x-5\ \ \ \ R\left(x\right)=2  

 Q(x)=x2x5  R(x)=12Q\left(x\right)=x^2-x-5\ \ R\left(x\right)=12  

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 (x3+1):(x2)=\left(x^3+1\right):\left(x-2\right)=  

 Q(x)=5x23x+9 R(x)=1Q\left(x\right)=5x^2-3x+9\ R\left(x\right)=1  

 Q(x)=x2+2x4   R(x)=9Q\left(x\right)=x^2+2x-4\ \ \ R\left(x\right)=9  

 Q(x)= 9x34x2+15   R(x)=3Q\left(x\right)=\ 9x^3-4x^2+15\ \ \ R\left(x\right)=3  

 (Q(x)=x3+2x2+4x+8)  R(x)=17\left(Q\left(x\right)=x^3+2x^2+4x+8\right)\ \ R\left(x\right)=17  

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

Scrivi la divisione descritta qui

 (x37x2+15x+7):(x1)=x38x+15\left(x^3-7x^2+15x+7\right):\left(x-1\right)=x^3-8x+15  

 (x37x2+7x+15):(x1)=x28x+15\left(x^3-7x^2+7x+15\right):\left(x-1\right)=x^2-8x+15  

 (x37x2+7x+15):(x+1)=x28x+15\left(x^3-7x^2+7x+15\right):\left(x+1\right)=x^2-8x+15  

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt



 (x42x32):(x1)\left(x^4-2x^3-2\right):\left(x-1\right)  ha resto:



 88  

 3-3  

 00  

 2-2  

5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

 (2x3x2+3x4):(x1)\left(2x^3-x^2+3x-4\right):\left(x-1\right)  per questa divisione possiamo applicare la Regola di Ruffini?

si

no

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

 (2x3x2): (x2+1)\left(2x^3-x^2\right):\ \left(x^2+1\right)  per questa divisione è possibile applicare la regola di Ruffini? Perchè?

no, perchè il dividendo è di terzo grado

si, perchè il divisore è di secondo grado

no, perchè il divisore non è di primo grado

si, perchè il divisore è di secondo grado