
função do primeiro grau
Authored by FABIOLA STAVNY
Mathematics
10th Grade
Used 44+ times

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30 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Determine os DOIS PONTOS por onde a reta passa.
A ( 3, 0 )
B ( -1, 1 )
A ( 0, 3 )
B ( -1, -1 )
A ( 0, 3 )
B ( 3, 1 )
A ( 0, 3 )
B ( 1, 1 )
A ( 1, 1 )
B ( 0, 3 )
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Determine se a função é:
Crescente
Decrescente
Constante
Indefinido
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
O gráfico de uma função do 1º grau é
uma Exponencial
Uma parábola
Uma reta
Uma senoide
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
"Uma função do primeiro grau é aquela cuja lei de formação pode ser escrita na seguinte forma:"
"y = ax + b"
x = ay + b
"ax + b = 0"
"y = ax
5.
MULTIPLE CHOICE QUESTION
1 min • 3 pts
Qual dessas funções, é uma função crescente?
y = 2
y = -2x + 5
y = -x - 1
y = 4x - 10
6.
MULTIPLE CHOICE QUESTION
5 mins • 3 pts
Na função f(x) = -3x + 18, qual é o valor de f(x) quando x = 6?
-18
0
4
18
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Como é representada a inclinação de uma reta no gráfico de uma função do primeiro grau?
Pela área sob a curva da função.
Pelo coeficiente angular da reta, que é o mesmo que o coeficiente de x na equação da função.
Pelo coeficiente linear da reta, que é o mesmo que o coeficiente de y na equação da função.
Pela ordenada na origem da reta.
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