
Funções Quadráticas 01
Authored by Raul Carneiro
Mathematics
KG - University
Used 49+ times

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12 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Seja uma função quadrática definida por
As coordenadas do vértice da parábola são:
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Considere a função real de variável real .
As coordenadas do vértice da parábola que representa a função são:
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Na figura está representada parte do gráfico de uma função quadrática .
Uma expressão analítica de pode ser:
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A função f(x)=2x²-10x+21 possui ...
concavidade para baixo
concavidade para cima
outro gráfico sem ser uma parábola
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se o valor do delta for igual a zero, a função quadrática
possui duas raízes reais e distintas.
não possui raízes reais.
possui raízes reais e iguais.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Para a função f(x)= ax²+bx+c, sendo a, b e c números reais, ser do segundo grau temos que ter...
a diferente de zero
b diferente de zero
c igual a zero
a igual a zero
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
quais são as raízes da função f(x) = x²-7x+10
-2 e -5
2 e 5
5 e 5
3 e 4
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