Funções_8ºano

Quiz
•
Mathematics
•
8th Grade
•
Hard
Alexandra Maria do Vale Vieira Couto
FREE Resource
6 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
3 mins • 5 pts
O António alugou uma bicicleta num jardim da cidade. Como depósito deixou o seu cartão de cidadão e por cada hora de utilização pagou 2 euros.
Qual é a expressão algébrica da função que traduz a situação descrita?
f(x) = 2x -2
f(x) = 2x
f(x) = 2x +2
f(x) = - 2x
2.
MULTIPLE CHOICE QUESTION
3 mins • 5 pts
De acordo com a imagem, indica a informação verdadeira.
As funções f e t são lineares
As funções f e g têm o mesmo declive
As funções g e t têm a mesma ordenada na origem
As funções g e h são lineares
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Considera a função f(x) = 2x + b
Sabe-se que f(1) = 5
Qual o valor da ordenada na origem ?
5
3
1
4
4.
MULTIPLE CHOICE QUESTION
3 mins • 5 pts
Qual o gráfico da função definida por g(x) = 2x + 2
5.
MULTIPLE CHOICE QUESTION
3 mins • 5 pts
Qual é a expressão algébrica da função representada no gráfico?
x = 2
x = -2
y = -2
y = - 2x
6.
MULTIPLE CHOICE QUESTION
3 mins • 5 pts
A equação da reta paralela à reta de equação y = - 8x e que passa pelo ponto (0, 4) é:
y = 8x
y = 8x +4
y = - 8x - 4
y = - 8x + 4
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