Função Afim - Conceitos básicos
Quiz
•
Mathematics
•
10th Grade
•
Practice Problem
•
Medium
Thiago Brito
Used 74+ times
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14 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
4
2
3
5
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
5
Answer explanation
Para determinar a solução (ou zero da função ou raiz), devemos fazer f(x) = 0 ou y = 0. Então:
0 = 5x + 2
-2 = 5x
x = -2/5
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
O coeficiente angular da reta é
o valor do arco tangente do ângulo formado com o eixo y.
o valor do cosseno do ângulo formado com o eixo x.
o valor da tangente do ângulo formado com o eixo x.
o valor do seno do ângulo formado com o eixo y.
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A inclinação da reta que passa pelos pontos (2, 5) e (4, 9) é igual a
4
3
2
6
Answer explanation
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A equação da reta que passa pelo ponto (3, 7) e tem inclinação 2 é melhor representada por
y = 3x + 7
y = 2x + 3
y = 2x + 1
y = 2x - 1
Answer explanation
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A inclinação da reta que passa pelos pontos (1, 4) e (5, 10) é igual a
2.5
3.5
4.5
1.5
Answer explanation
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