
Equações polinomiais do primeiro grau
Quiz
•
Mathematics
•
9th Grade
•
Hard
ALINE VENDRAME
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6 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
A equação que representa a situação: "Qual é o número que adicionado ao seu dobro é igual a 72?"
x + x/2 = 72
x - 2x = 72
x + 2x = 72
2x = 72
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Qual é o conjunto solução da equação:
2 − 3𝑥 = −2𝑥 + 12 − 3𝑥 ?
x= 0,8
x=10
x=0,3
x=5
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
4) O dobro de um número subtraído de 20 é igual a 100. Qual é o número?
-10
-20
-30
-40
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
O triplo de um número mais 4 é igual ao dobro desse número mais 10. Chamando esse número de n, a equação que representa esse problema é:
3n + 4 = 2n + 10
3(n+ 4) = 2n + 10
3n + 4 = 2(n + 10)
3n + 2n = 4 + 10
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