Qual é o valor de x na equação: 2x + 5 = 3x - 7?

Avaliação de matemática 3° anos

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Mathematics
•
11th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
x = -12.
2.
FLASHCARD QUESTION
Front
Qual dos seguintes pontos está localizado no eixo y do plano cartesiano? A(-1,-1), B(1,1), C(1,3), D(0,3), E(-2,0)
Back
D(0,3) é o ponto localizado no eixo y.
3.
FLASHCARD QUESTION
Front
Em qual quadrante está localizado o ponto A?
Back
O ponto A está localizado no Primeiro quadrante.
4.
FLASHCARD QUESTION
Front
O gráfico ao lado mostra a variação de velocidade de um veículo numa trajetória retilínea. Qual é o intervalo do gráfico onde a velocidade somente aumenta?
Back
O intervalo onde a velocidade somente aumenta é [10,40].
5.
FLASHCARD QUESTION
Front
Back
x = 2.
6.
FLASHCARD QUESTION
Front
Defina o que é uma equação linear.
Back
7.
FLASHCARD QUESTION
Front
O que representa o coeficiente angular em uma equação linear?
Back
O coeficiente angular (m) representa a inclinação da reta, indicando a taxa de variação de y em relação a x.
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