Revisão sobre Funções Polinomiais
Quiz
•
Mathematics
•
9th Grade
•
Practice Problem
•
Hard
INDIRA ZIROLDO
Used 6+ times
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18 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a forma geral de uma função polinomial do 1º grau?
f(x) = ax^2 + bx + c
f(x) = ax + b
f(x) = a/x + b
f(x) = a^x + b
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Na função f(x) = 5x - 3, quais são os valores de a e b?
a = 5 e b = 3
a = -5 e b = 3
a = 5 e b = -3
a = -5 e b = -3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a característica de uma função linear?
a = 0
b = 0
a ≠ 0 e b ≠ 0
a = b
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a característica de uma função identidade?
a = 0 e b = 0
a = 1 e b = 1
a = 1 e b = 0
a = 0 e b = 1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a característica do gráfico de uma função do 1.º grau?
É uma reta paralela ao eixo x.
É uma reta paralela ao eixo y.
É uma reta não-paralela nem ao eixo x nem ao eixo y.
É uma curva.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o domínio de uma função do 1.º grau?
D(f) = {0, 1, 2}
D(f) = IR
D(f) = {x ∈ IR | x ≥ 0}
D(f) = {x ∈ IR | x ≤ 0}
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o segundo passo para construir o gráfico de uma função do 1.º grau?
Atribuir dois valores (quaisquer) ao x.
Calcular suas imagens y = f(x) através da função.
Localizar os pontos (x, y) obtidos no plano cartesiano.
Desenhar uma reta no plano cartesiano.
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