9A proporcionalidade inversa
Quiz
•
Mathematics
•
9th Grade
•
Medium
Ana Fernandes
Used 167+ times
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11 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sejam X e Y duas grandezas inversamente proporcionais. Na tabela estão representados alguns valores de X e Y. Indica os valores de A e B da tabela.
A= 5 e B= 10
A=10 e B=5
A= 0.1 e B=0.5
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O gráfico de uma proporcionalidade direta é uma:
parábola
reta que passa pela origem do referencial
hipérbole
reta que não passa pela origem
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O ponto (2,10) pertence ao gráfico de uma função de proporcionalidade direta. Qual a constante de proporcionalidade desta função?
8
20
5
12
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A tabela seguinte traduz uma relação de proporcionalidade inversa entre as grandezas x e y.
Qual o valor de a?
7,5
1
2
4
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O João demora 4 horas a percorrer a distância entre duas cidades se se deslocar a uma velocidade de 100 km/h. Quanto tempo demorará a percorrer a mesma distância se se deslocar a 120 km/h?
6
8
2
3
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Considera a representação gráfica de uma função na figura seguinte. Qual é a sua representação analítica?
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