
Grandeza Proporcional: Direta e Inversa
Quiz
•
Mathematics
•
8th Grade
•
Practice Problem
•
Hard
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Gráfico de proporcionalidade inversa
Hipérbole
Parábola
Elipse
Linha reta
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Equação de proporcionalidade inversa
@@y = rac{k}{x}@@
@@y = kx@@
@@y = k + x@@
@@y = rac{x}{k}@@
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Exemplo cotidiano de proporcionalidade inversa
Aumento do número de pessoas, menos tempo para terminar uma tarefa
Aumento do tempo, menos pessoas para terminar uma tarefa
Aumento do número de tarefas, menos tempo para cada tarefa
Aumento do número de pessoas, mais tempo para terminar uma tarefa
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Gráfico de proporcionalidade direta
passando pela origem
não passando pela origem
apenas em quadrantes positivos
apenas em quadrantes negativos
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Exemplo de proporcionalidade inversa
e tempo (@@V \cdot T = k@@)
e distância (@@D = S \cdot T@@)
e velocidade (@@V = \frac{D}{T}@@)
e força (@@F = m \cdot a@@)
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Grandezas inversamente proporcionais
aumenta, a outra diminui
ambas aumentam
ambas diminuem
uma aumenta e a outra permanece constante
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Grandezas diretamente proporcionais
aumentam juntas
diminuem juntas
aumentam e diminuem alternadamente
permanecem constantes
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