Funções do 1 grau
Quiz
•
Mathematics
•
1st Grade
•
Practice Problem
•
Medium
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15 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Se a = -2 e b = 5, qual é a função?
F(x) = -2x + 5
F(x) = 2x + 5
F(x) = -2x - 5
F(x) = 2x - 5
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Na função F(x) = ax + b, o que representa 'b'?
O coeficiente angular da reta.
O coeficiente linear da reta.
O valor de x quando y = 0.
A interseção da reta com o eixo y.
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Se a função é crescente, o que acontece com o coeficiente angular?
O coeficiente angular é negativo.
O coeficiente angular é zero.
O coeficiente angular é positivo.
O coeficiente angular é indefinido.
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
O que acontece com o gráfico se b = 0?
A reta passa pela origem (0,0).
A reta é paralela ao eixo Y.
A reta tem uma inclinação negativa.
A reta não intercepta o eixo X.
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Como se calcula o valor de x quando y = 0 na função y = 3x + 9?
x = 0
x = 3
x = -3
x = -9
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
O que é uma função?
Uma relação de dependência entre duas grandezas.
Um tipo de gráfico em matemática.
Uma operação aritmética simples.
Um conjunto de números aleatórios.
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Qual é a forma geral de uma função do 1 grau?
F(x) = ax + b
F(x) = ax^2 + b
F(x) = a + b
F(x) = a/x + b
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