Equações do 1 grau com uma incógnita
Flashcard
•
Mathematics
•
7th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
O que é uma equação do 1 grau com uma incógnita?
Back
É uma igualdade que envolve uma variável (incógnita) elevada à primeira potência, como x + 5 = 12.
2.
FLASHCARD QUESTION
Front
Qual é a forma geral de uma equação do 1 grau?
Back
A forma geral é ax + b = c, onde a, b e c são números reais e a ≠ 0.
3.
FLASHCARD QUESTION
Front
Como se resolve a equação x + 5 = 12?
Back
Subtraia 5 de ambos os lados: x = 12 - 5, então x = 7.
4.
FLASHCARD QUESTION
Front
O que representa a incógnita em uma equação?
Back
A incógnita é a variável que queremos descobrir o valor.
5.
FLASHCARD QUESTION
Front
Qual é o segundo membro da equação 5x + 7 = 2x + 15?
Back
O segundo membro é 2x + 15.
6.
FLASHCARD QUESTION
Front
Como se encontra a raiz da equação 2x + 7 = 9?
Back
Subtraia 7 de ambos os lados e divida por 2: 2x = 2, então x = 1.
7.
FLASHCARD QUESTION
Front
Se X + 12 = 22, como se resolve para encontrar o valor de X?
Back
Subtraia 12 de ambos os lados: X = 22 - 12, então X = 10.
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