
Resolvendo Equações do Primeiro Grau
Interactive Video
•
Mathematics
•
6th - 8th Grade
•
Medium
+1
Standards-aligned

Ethan Morris
Used 1+ times
FREE Resource
Standards-aligned
Read more
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o valor de x na equação 2x + 4 = 10?
x = 4
x = 3
x = 5
x = 2
Tags
CCSS.7.EE.B.4A
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Na equação 6x - 2x = 16, qual é o valor de x?
x = 4
x = 7
x = 5
x = 6
Tags
CCSS.6.EE.B.7
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Como você resolve a equação -x = 12 para encontrar x?
Multiplicando por 2
Multiplicando por -1
Somando 12
Subtraindo 12
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o valor de x na equação 5x - 4 = 6x + 8?
x = -12
x = 12
x = -4
x = 4
Tags
CCSS.8.EE.C.7B
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O que acontece quando você multiplica ambos os lados de uma equação por -1?
Os termos são somados
Os termos são subtraídos
Os termos são divididos por 2
Os sinais dos termos mudam
Tags
CCSS.7.EE.B.4A
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O que você faz ao encontrar uma igualdade de frações em uma equação do primeiro grau?
Divide os termos
Subtrai os denominadores
Soma os numeradores
Multiplica cruzado
Tags
CCSS.8.EE.C.7B
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Na equação 2(x - 2) = 3x + 5, qual é o primeiro passo para resolver?
Somar 2 a ambos os lados
Multiplicar cruzado
Subtrair 5 de ambos os lados
Aplicar a distributiva
Tags
CCSS.6.EE.B.7
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