
Proporcionalidade Inversa
Authored by Salomé Pedro
Mathematics
9th Grade
Used 4+ times

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16 questions
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1.
MULTIPLE SELECT QUESTION
10 mins • 1 pt
Considera duas variáveis x e y inversamente proporcionais.
Assinala as opções corretas:
Quando o valor de x aumenta, o valor de y também aumenta
Quando o valor de x aumenta, o valor de y diminui
Quando dividimos os valores de x e de y obtemos um valor constante
Quando multiplicamos os valores de x e de y obtemos um valor constante
2.
MULTIPLE SELECT QUESTION
10 mins • 1 pt
Qual ou quais das seguintes expressões representa(m) uma função de proporcionalidade inversa? Assinala todas as opções corretas.
3.
MULTIPLE SELECT QUESTION
10 mins • 1 pt
Considera a representação gráfica de uma função na figura seguinte. Qual é a sua expressão algébrica?
4.
MULTIPLE SELECT QUESTION
10 mins • 1 pt
5.
MULTIPLE SELECT QUESTION
10 mins • 1 pt
5
8
12
20
6.
MULTIPLE SELECT QUESTION
10 mins • 1 pt
Três camiões cisterna demoram 12 dias a transportar a água de um depósito. Quanto tempo demorariam 9 camiões iguais a transportar a mesma quantidade de água?
4 dias
6 dias
9 dias
14 dias
7.
MULTIPLE SELECT QUESTION
10 mins • 1 pt
Cinco pessoas, que trabalham ao mesmo ritmo, demoram 8h a pintar uma parede. Quanto tempo demorariam quatro pessoas a pintar a mesma parede?
5 h
10 h
15 h
20 h
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