ATIVIDADE DE MATEMÁTICA

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ATIVIDADE DE MATEMÁTICA - ÁLGEBRA

Vamos resolver alguns cálculos envolvendo monômios e polinômios.

Nome do aluno(a):

Turma:

1) Determine o valor de 2x + 2a + 5x - 3a

7x + 5a

7x + a

7x - a

Clear selection

2) Determine o valor de 3xy - 2xy + 3x -2y - 4y +x

xy + 4x - 6y

-xy +3x +2y

5xy +4x + 6y

Clear selection

3) Determine o valor de 2x^2 + 3x^2 - ( 4x^2 + 5x^2)

7x^2

-4x^2

14x^2

Clear selection

4) Determine o valor de ( 20a^5 - 10x^3) - ( 10a^5 - 5x^3)

10a^5 - 15x^3

-10a^3 - 5x^3

-5x^3 + 10a^5

Clear selection

5) Determine o valor de ( 20a^5 - 10x^3) + ( 10a^5 - 5x^3)

30a^5 - 15x^3

-30a^3 - 5x^3

15x^3 + 30a^5

Clear selection

6) Determine o valor de x . ( x - 20)

x - 20x

x^2 - 20x

x^2 - 20

Clear selection

6) Determine o valor de x^3 . ( x - 20x)

x^3 - 20x

x^4 - 20x^4

x^3 - 20x~3

Clear selection

7) Determine o valor de 2x^3 . (-3 x - 20x^2)

-6x^4 - 40x^5

6x^3 - 40x^5

6x^4 - 40x^5

Clear selection

7) Determine o valor de (2x^3 + x^3) . (-3 x - 2x^2)

9x^4 + 6x^5

-9x^4 - 6x^5

Clear selection

8) Determine o valor de (2x^3 - x^3) . (3 x - 2x^2)

3x^4 - 2x^5

2x^5 + 3x^4

-3x^4 - 2x^5

Clear selection

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