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8th Grade

10 Qs

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Assessment

Quiz

Mathematics

8th Grade

Practice Problem

Medium

Created by

DAYANE GOBEL

Used 1+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

10 mins • 3 pts

O valor da expressão algébrica x4.3xy5.x2y-3 é igual a?

3x7y-8

3x7y8

3x7y-2

3x7y2

2.

MATCH QUESTION

10 mins • 3 pts

Combine o seguinte expressões algébricas com sua respostas :

-2x2

2x.x

  • - 2x3

3x2 + 5x2-10x2

2x3

  • - 5x3 + 3x3

2x2

2x2.x

3.

MATCH QUESTION

10 mins • 3 pts

Combine o seguinte

trinômio

ax2+bx+c

binômio

6x2y−7y

polinômio


a0xn+a1xn−1+...+an−1x+an

monômio

3xy

4.

MATCH QUESTION

10 mins • 3 pts

Combine as seguintes expressões algébricas com suas respostas :

−3x

+(4x)+(−7x)

11x

+(4x)+(+7x)

−11x

−(4x)+(−7x)

3x

−(4x)+(+7x)

5.

MULTIPLE CHOICE QUESTION

10 mins • 3 pts

Dada a expressão algébrica (+4x2y)3=43x2yx2y2y , a resposta correta é :

256x5y3

256x6y3

256x4y-3

256x-5y3

6.

MULTIPLE CHOICE QUESTION

10 mins • 3 pts

O polinômio 3x2 – 4x5 + 2 é do :

2º grau

5ª grau

7º grau

8º grau

7.

MULTIPLE CHOICE QUESTION

10 mins • 3 pts

O resultado de -2x . (-4x – 3) é :

-8x2 + 6x

8x2 - 6x

-8x2 - 6x

8x2 + 6x

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