
Equação do 1° grau
Authored by Raissa Quadrada
Mathematics
7th Grade
CCSS covered
Used 107+ times

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12 questions
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1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Assinale todas as opções que representam uma equação do 1° grau.
x + 1 > 3
x + 3 = 7
x² + 7x + 8 = 0
2 r - 8 = 5 r + 3
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Qual a solução da equação
x = 4
x = -4
x = 9
x = 2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual a solução da equação
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A equação 2(x + 1) = 5 é equivalente a:
2x + 1 = 5
2x + 2 = 5
2x + 2 = 10
2x = 5 - 1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Complete com a palavra que está faltando: O valor desconhecido é chamado de _________ que significa "termo a determinar".
incógnita
resultado
variante
numerador
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
O dobro de um número somado com 5 é igual a 91. Qual é esse número?
40
42
43
45
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
A solução desta equação é:
0
3
4
9
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