Função quadrática
Quiz
•
Other
•
10th - 12th Grade
•
Practice Problem
•
Hard
Standards-aligned
Daniela Milaneze
Used 202+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
As raízes da função quadrática f(x) = são:
1 e 2
2 e 3
2 e 4
-2 e -4
Tags
CCSS.HSA-SSE.B.3B
CCSS.HSF-IF.C.8A
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Analisando o gráfico de certa função quadrática f(x) = , podemos afirmar que:
a > 0, b > 0 e c > 0
a > 0, b = 0 e c >0
a < 0, b > 0 e c > 0
a > 0, b < 0 e c > 0
Tags
CCSS.HSF-IF.C.7A
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
O vértice da parábola dada pela função f(x) = é:
V (1; 3)
V (3; 2)
V ( ; )
V ( ; )
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
A empresa WQTU Cosmético vende uma quantidade x de determinado produto, cujo custo de fabricação é dado por , e o seu valor de venda é expresso pela função . A empresa deseja saber quantas unidades precisa vender para obter um lucro máximo. Considerando que o lucro obtido é dado pela diferença entre os valores de venda e custo, a quantidade de unidades a serem vendidas para se obter lucro máximo é:
100
50
25
15
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Quando , analisando o gráfico de uma função quadrática podemos concluir que:
a parábola terá dois pontos de intersecção com o eixo das abscissas.
a parábola tangenciará o eixo das abscissas.
a parábola não terá pontos de intersecção com o eixo das abscissas.
não existirá gráfico para esta função.
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
O conjunto imagem da função real f(x) = é
[0, [
]- , 0]
[1, [
] - , 1]
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