
Matemática Cont
Quiz
•
Mathematics
•
2nd Grade
•
Practice Problem
•
Easy
GABRIEL CASTRO MESQUITA
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A função f(x)= -x+2 possui um gráfico com reta:
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o coeficiente angular da função f(x) = -x + 2?
2
1
-1
-2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual das alternativas representa corretamente o comportamento da função f(x) = -x + 2?
A função é constante e intercepta o eixo y em 0.
A função é crescente e intercepta o eixo y em -2.
A função é crescente e intercepta o eixo y em 2.
A função é decrescente e intercepta o eixo y em 2.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
o que significa f(x)?
f(x) significa uma função de x, ou também y.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
a expressão da função se dá por f(x)= ax+b, sendo:
a é o grau do polinômio e b um ponto qualquer
a é uma incógnita e b a função
a é o coeficiente angular e b linear
a e b são eixos
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o valor de f(0) para a função f(x) = -x + 2?
1
-2
2
0
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se a função f(x) = ax + b é decrescente, qual deve ser o sinal de a?
Indefinido
Nulo
Negativo
Positivo
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