
Operações com Polinômios
Authored by Leila Hipólito
Professional Development
8th - 9th Grade
Used 36+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
A divisão do polinômio por x – 1 oferece o seguinte resultado:
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Determine a expressão simplificada que representa o perímetro da figura:
10x + 8
14x + 13
9x + 9
10x + 9
15x + 13
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Dadas as afirmações :
I) 3x + 3x + 3x = 9x³
II) 3x . 3x . 3x = 27x³
III) 15x6 : 5x2 = 3x4
Assinale a alternativa correta:
Apenas II e III são verdadeiras
Apenas I e II são verdadeiras
Apenas I e III são verdadeiras
Apenas I é verdadeira
Todas são verdadeiras
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
O polinómio reduzido resultante de (2x + 5y - z) + (-6x - 4y + 7z) é:
-4x +6y + 6z
4x + y + 6z
-4x - y + 6z
-4x + y + 6z
-4x - 6y + 6 z
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
O polinómio reduzido resultante de (4x3-5x2+3x) + (-2x3-x2+6x) é
2x3 - 6x2 - 9x
2x3 + 6x2 +9x
-2x3 - 6x2 + 9x
2x3 - 6x2 + 9x
-2x3 + 9x2 +x
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
O polinômio reduzido resultante de (5x4 - 4x3 - 2x2 + x - 19) - (x4 + 5x3 + 8x2 + x + 5) é:
4x4 - 9x3 - 10x2 - 24
4x4 - 9x3 - 10x2 - 2x - 24
4x4 - 9x3 - 10x2 + 2x - 24
-4x4 - 9x3 - 10x2 - 24
-4x4 + 9x3 - 10x2 + 24
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Simplificando (3x - 2)(6x + 1) obtemos:
21x2
18x2 + 9x + 2
9x2 - 9x - 2
18x2 - 9x - 2
21x2 + 9x
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