Proporcionalidade direta
Quiz
•
Mathematics
•
7th Grade
•
Medium
Célia Rebola
Used 3+ times
FREE Resource
7 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a expressão analítica da função f?
f(x) = 15x
f(x) = 10x
f(x) = 10
f(x) = x
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual será o preço da reparação, se o tempo gasto a fazê -la for 2 horas?
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Numa loja de artigos desportivos há descontos de 20% em todos os modelos de hoverboards.
Qual das opções corresponde à expressão da função de proporcionalidade direta que ao preço, x , de um hoverboard faz corresponder o valor, f , a pagar após o desconto?
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
As coordenadas do ponto A são:
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quais são os pontos com abcissas simétricas?
C e F
A e D
B e D
A e B
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A situação representa uma relação de proporcionalidade direta de razão:
k=60
k=100
K=80
K=40
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Seja f a função de proporcionalidade direta, tal que f(c)=t.
Determina o tempo necessário para o carregamento ser 100% . Apresenta o resultado em horas e minutos.
3 hora e 50 minutos
3 horas e 5 minutos
3 horas e 30 minutos
1 hora e 26 minutos
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