
Função do 2º grau
Authored by Niel Batista
Mathematics
10th Grade
Used 1+ times

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20 questions
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1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
1 e 2
2 e 3
2 e 4
-2 e -4
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
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.
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Exponencial
Parábola
Afim
Hipérbole
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Qual é o formato de uma função de 2º grau?
y = ax2 + bx + c
y = ax + b
y = ax3 + bx + c
y = ax2 + bx2 + cx2
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Com o a positivo temos uma parábola com concavidade:
para baixo
para cima
uma reta
ondulada
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Com delta positivo temos:
2 raízes reais
1 raiz real
nenhuma raiz real
3 raízes reais
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Não possuímos raízes quando:
delta igual a número positivo
delta igual a número negativo
delta igual a zero
delta igual a mais ou menos
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