Equação

Equação

7th - 12th Grade

21 Qs

quiz-placeholder

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Equação

Equação

Assessment

Quiz

Mathematics

7th - 12th Grade

Practice Problem

Hard

CCSS
6.EE.B.5, 6.EE.B.7, 8.F.B.4

+5

Standards-aligned

Created by

Gabriel Oliveira

Used 149+ times

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21 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Qual a solução da equação  2x+5=132x+5=13  

 S={4}S=\left\{4\right\}  

 S={4}S=\left\{-4\right\}  

 S={9}S=\left\{9\right\}  

 S={2}S=\left\{2\right\}  

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7

2.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Selecione as opções que apresentam equações do 1°grau

x+1=4x+1=4

x2x=0x^2-x=0

3x=x63x=x-6

5=55=5

x1>4xx-1>4x

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.7

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Qual a solução da equação  5z=355z=35  

 S={30}S=\left\{30\right\}  

 S={30}S=\left\{-30\right\}  

 S={7}S=\left\{7\right\}  

 S={7}S=\left\{-7\right\}  

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.7

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Qual a solução da equação  x8=9\frac{x}{8}=9  

 S=98S=\frac{9}{8}  

 S={9}S=\left\{9\right\}  

 S={72}S=\left\{72\right\}  

 S={72}S=\left\{-72\right\}  

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.7

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Em um prova, um aluno teve a seguinte resolução. O argumento correto do por que o aluno errou a questão seria:

Na verdade o aluno acertou a questão

O 12 está multiplicando o x. Assim, devemos dividir o 3 por 12

O 3 está multiplicando o x. Logo, devemos dividir o 12 por 3, aplicando a operação inversa, e não subtrair 3 de 12

A operação inversa da divisão é a subtração

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.7

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

O conjunto solução da equação  9x+8=14x+109x+8=14x+10  

 S={1}S=\left\{1\right\}  

 S={25}S=\left\{-\frac{2}{5}\right\}  

 S={25}S=\left\{\frac{2}{5}\right\}  

 S={2}S=\left\{2\right\}  

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.6

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A solução da equação  125x=20+3x12-5x=20+3x  

 S={2}S=\left\{-2\right\}  

 S={2}S=\left\{2\right\}  

 S={1}S=\left\{-1\right\}  

 S={1}S=\left\{1\right\}  

Tags

CCSS.6.EE.B.5

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