Equação do 1° grau

Equação do 1° grau

7th - 8th Grade

12 Qs

quiz-placeholder

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Equação do 1° grau

Equação do 1° grau

Assessment

Quiz

Mathematics

7th - 8th Grade

Practice Problem

Hard

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

+6

Standards-aligned

Created by

Cristiano Araújonnova

Used 200+ times

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12 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 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 CHOICE QUESTION

2 mins • 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

3.

MULTIPLE CHOICE QUESTION

2 mins • 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

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

A solução da equação  x17=29+x-x-17=-29+x  

 S={0}S=\left\{0\right\}  

 S={6}S=\left\{6\right\}  

 S=ϕS=\phi  

 S={12}S=\left\{\frac{1}{2}\right\}  

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.7

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

O dobro de um número somado com 5 é igual a 91. Qual é esse número?

40

42

43

45

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

A equação 2(x + 1) = 5 é equivalente a:

2x + 1 = 5

2x = 3

2x + 2 = 10

2x = 5 - 1

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

-2 é solução de qual equação?

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