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Pensamento algébrico

Authored by ALESSANDRA DE ASSUMPCAO VIEGAS MACHADO

Mathematics

7th Grade

Used 7+ times

Pensamento algébrico
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Represente algebricamente a frase:

O DOBRO DE UM NÚMERO MAIS QUATRO.

2 x 3 + 4

2x + 4

X + 2 = 4

X2

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Represente algebricamente:

A diferença entre dois números.

a - b

15 + x

xy

B - 14

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A parte literal do termo -2xy é

-2x

2

-xy

xy

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

O coeficiente numérico do termo -a2 é?

Não existe

-1

2

a

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Reduza os termos semelhantes:

2x + 4y - 7x + y

0

5x + y

5y - 5x

4y - 5x

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

X - 4 é uma?

Equação

Sentença matemática

Expressão numérica

Uma incógnita

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

-3x e x3 são termos semelhantes?

Falso

Verdadeiro

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