
Funções Afins
Quiz
•
Mathematics
•
8th - 9th Grade
•
Practice Problem
•
Hard
Estela Alves
Used 8+ times
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11 questions
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1.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Considera as funções e . Seleciona as afirmações verdadeiras.
tem declive positivo.
A reta que representa interseta o eixo das ordenadas no ponto .
tem declive positivo
A reta que representa interseta o eixo das ordenadas no ponto
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
De entre os seguintes gráficos seleciona aquele que representa a função .
3.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
As retas e têm de equação, respetivamente, e e . Quais das seguintes afirmações são verdadeiras?
A reta é a expressão analítica de uma função linear.
A reta é uma reta não vertical.
As retas e são paralelas
As retas e são paralelas
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
No referencial ortogonal e monométrico da figura encontram-se representadas duas retas paralelas e , que representam graficamente duas funções e , respetivamente .
Sabe-se que:
- A função é definida algebricamente por .
- A reta passa pelo ponto .
A expressão que define a função é:
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Considera a função afim .
As coordenadas do ponto de interseção de com o eixo das abcissas são:
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
De uma função afim, sabe-se que e o ponto pertence ao gráfico de .
Seleciona a opção que corresponde à expressão algébrica de .
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
No referencial cartesiano da figura ao lado, estão representadas as retas r e s. Qual é a ordenada na origem da reta r?
5
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