
Quiz sobre Equações do Primeiro Grau
Mathematics
7th Grade
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a forma geral de uma equação do primeiro grau?
ax^2 + bx + c = 0
ax + b = 0
a/x + b = 0
ax^3 + bx^2 + c = 0
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O que é uma incógnita em uma equação do primeiro grau?
Um número complexo
Um termo a determinar
Um número real conhecido
Um coeficiente fixo
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual das seguintes equações é do primeiro grau?
2x = 4
3x^2 + 5x - 3 = 0
x^3 + 5y = 9
x^2 + y^2 = 1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o valor da incógnita x na equação 8x - 3 = 5?
x = 3
x = 0
x = 1
x = 2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se a parte da variável em uma equação for negativa, o que devemos fazer?
Adicionar 1 a todos os termos
Subtrair 1 de todos os termos
Multiplicar todos os termos por -1
Dividir todos os termos por 2
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