Operações com polinômios

Operações com polinômios

12th Grade

10 Qs

quiz-placeholder

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Operações com polinômios

Operações com polinômios

Assessment

Quiz

Mathematics

12th Grade

Medium

Created by

Luís Fernando

Used 7+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Determinar o resultado da subtração de polinômios:

 (x3+2x+1)(x27x+2)\left(x^3+2x+1\right)-\left(x^2-7x+2\right) 

 x3+9x+3x^3+9x+3 

 x3x2+9x1x^3-x^2+9x-1 

 x35x1x^3-5x-1 

 x2+9x1-x^2+9x-1 

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Determinar o resultado da subtração de polinômios:

 (7x3+2x25x)(x32x)\left(7x^3+2x^2-5x\right)-\left(-x^3-2x\right) 

 3x3+2x23x3x^3+2x^2-3x 

 6x3+2x23x6x^3+2x^2-3x 

 8x3+2x23x8x^3+2x^2-3x 

 8x32x2+3x8x^3-2x^2+3x 

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Determinar o resultado da subtração de polinômios:

 (3x45x+4)(x5+10x4+6x)\left(3x^4-5x+4\right)-\left(-x^5+10x^4+6x\right) 

 x57x411x+4x^5-7x^4-11x+4 

 x511x+4x^5-11x+4 

 7x411x+4-7x^4-11x+4 

 x5+7x4+11x-x^5+7x^4+11x 

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Determinar o resultado da adição de polinômios: (4x210x5)+(6x+12)\left(4x^2-10x-5\right)+\left(6x+12\right) 

 4x+7-4x+7 

 30x2+730x^2+7 

 4x4x24x-4x^2 

 4x24x+74x^2-4x+7 

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Determinar o resultado da adição de polinômios:

 (5x29x8)+(3x2+10x6)\left(5x^2-9x-8\right)+\left(3x^2+10x-6\right) 

 x14x-14 

 8x2148x^2-14 

 8x2+x148x^2+x-14 

 9x2+2x79x^2+2x-7 

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Determinar o resultado da adição de polinômios:

 (x23x1)+(3x2+8x6)\left(x^2-3x-1\right)+\left(-3x^2+8x-6\right) 

 2x2+5x7-2x^2+5x-7 

 x2+5x-x^2+5x 

 5x75x-7 

 2x272x^2-7 

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Determine:

 5x(x22x+1)5x\cdot\left(x^2-2x+1\right) 

 10x2+5x-10x^2+5x 

 5x3+5x5x^3+5x 

 10x3+5x10x^3+5x 

 5x310x2+5x5x^3-10x^2+5x 

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