
Equação do 1° grau
Mathematics
8th Grade
CCSS covered
Used 72+ times

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15 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Qual das expressões seguintes é uma equação?
2x + 15 = 10
x² - 8 < 10
8xy
bc + dgf +10
Tags
CCSS.6.EE.B.5
CCSS.6.EE.B.7
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
O 1º membro da equação 17x -9 + 5x = 13 + 2x é:
17x - 9 + 5x
13 + 2x
17x -9
4zx
Tags
CCSS.6.EE.B.6
CCSS.6.EE.A.2
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Complete corretamente a frase: Quando um termo da equação mudar de lado do sinal de igual, devemos
inverter a operação.
sempre dividir a operação.
sempre multiplicar a operação.
subtrair a operação.
Tags
CCSS.8.EE.C.7
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Resolva a equação: x + 5=20 - 4x
x = 3
x = 12
x = 3/5
x = 25
Tags
CCSS.6.EE.B.5
CCSS.6.EE.B.6
CCSS.6.EE.B.7
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Assinale a equação que representa:
o triplo de um número mais 4 é igual ao próprio número adicionado de 16 unidades.
2x + 4 = x + 16
3x + 4 + 16 = x
3x > x + 4 + 16
3x + 4 = x + 16
Tags
CCSS.6.EE.B.6
CCSS.6.EE.B.7
CCSS.6.EE.A.2
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
A raiz da equação 3x + 1 = 28 é:
6
7
8
9
Tags
CCSS.6.EE.B.5
CCSS.6.EE.B.7
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
A soma de um número e seu quádruplo teremos como resposta o número 50. Que número é esse ?
25
5
10
50
Tags
CCSS.6.EE.B.5
CCSS.6.EE.B.6
CCSS.6.EE.B.7
CCSS.6.EE.A.2
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