Função Afim
Quiz
•
Mathematics
•
10th Grade
•
Practice Problem
•
Medium
Mariana Omena
Used 18+ times
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18 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Toda função afim é do tipo f(x) = ax + b, com a e b pertencentes aos números reais.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se a função afim tem coeficiente angular a = 0, então ela representa uma reta horizontal.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se uma função afim passa pelo ponto (0,0), então seu coeficiente linear b é zero e não diferente de zero.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O coeficiente angular de uma função afim determina a inclinação da reta no plano cartesiano.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se duas funções afins possuem o mesmo coeficiente angular, suas retas são paralelas, mas não necessariamente coincidentes (só seriam coincidentes se também tivessem o mesmo coeficiente linear).
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A função f(x) = 3x - 2 tem como coeficiente angular e coeficiente linear, respectivamente:
3 e -2
-2 e 3
3 e 2
-3 e -2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A equação da reta que passa pelos pontos (1,2) e (3,6) é:
y = 2x + 1
y = 2x
y = x + 2
y = 3x - 1
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