Equação do 1º grau

Equação do 1º grau

KG - 12th Grade

10 Qs

quiz-placeholder

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Equação do 1º grau

Equação do 1º grau

Assessment

Quiz

Mathematics

KG - 12th Grade

Medium

Created by

FELIPE CALADO

Used 102+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

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Complete corretamente a frase:

Quando um termo da equação mudar de lado do sinal de igual, devemos

inverter a operação.

sempre multiplicar a operação.

sempre dividir a operação.

subtrair a operação.

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

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Complete com a palavra que está faltando: O valor desconhecido é chamado de _________ que significa "termo a determinar".

resultado

variante

numerador

incógnita

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

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Organize a equação 3x - 5 - 2x = -4x + 10 colocando todos os termos no membro correto.

3x - 2x - 4x = -10 - 5

-3x + 2x - 4x = +10 - 5

-3x + 2x + 4x = -10 - 5

3x - 2x + 4x = +10 + 5

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

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A equação: a + b + c +3 = 8 tem:

1 incógnita

2 incógnitas

3 incógnitas

4 incógnitas

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

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A alternativa que representa uma equação do 1° grau é:

2x² - 8 = 8

z³ - 3z = 90

2b + 5

2a - 16 = 20

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

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Qual o valor da incógnita x que torna a igualdade 8x - 3 = 5 verdadeira?

x = 0

x = 1

x = 2

x = 8

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

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Qual o valor da última linha?

21

22

24

25

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