
Funções afins
Quiz
•
Mathematics
•
8th Grade
•
Practice Problem
•
Easy
Artur Gonçalves
Used 4+ times
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7 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
20 sec • 10 pts
Qual das seguintes expressões algébricas representa uma função linear?
y = 3
y = 3x
y = -3x + 3
y = -2
Answer explanation
Correto.
2.
MULTIPLE CHOICE QUESTION
20 sec • 10 pts
Uma função afim num referencial cartesiano, corresponde a:
Uma reta paralela ao eixo de x
Uma reta obliqua que interseta o eixo das ordenadas fora da origem do referencial
Uma reta obliqua que passa pela origem do referencial
Uma reta perpendicular ao eixo das abcissas
Answer explanation
Bravo!
3.
MULTIPLE CHOICE QUESTION
20 sec • 10 pts
A expressão algébrica de uma função afim corresponde a:
y = 3
y = 3x
y = -3x + 3
y = -3
Answer explanation
Estas no bom caminho!
4.
MULTIPLE CHOICE QUESTION
10 sec • 5 pts
Uma função crescente tem declive negativo?
Sim
Não
Answer explanation
Continua.
5.
MULTIPLE CHOICE QUESTION
10 sec • 5 pts
A função f(x) = 3x + 2, tem como declive 3.
Sim
Não
Answer explanation
Está quase.
6.
MULTIPLE CHOICE QUESTION
20 sec • 10 pts
Se uma função linear tem declive -2, então a expressão algébrica correspondente é?
y = -2x -2
y = 2x -2
y = 2x
y = -2x
Answer explanation
Muito bem!
7.
MULTIPLE SELECT QUESTION
20 sec • 10 pts
Quais das expressões algébricas correspondem a funções afins?
y = 3x -2
y = 3x
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