
FUNÇÃO DO 2.º GRAU
Mathematics
12th Grade
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8 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Quais os coeficientes?
a = 6
b = 2
c = 1
a = 9
b = 6
c = 1
a = 9
b = - 6
c = 1
a = 2
b = 6
c = 1
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
0
1
4
-15
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
As raízes da equação são:
1 e 4
-1 e -4
4 e 5
Não existe raiz real.
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Dada a equação x² – 2x +1 = 0, sabemos que ela só tem uma raiz real ou seja,
1
2
3
4
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Determine a solução da equação x2 – x – 12 = 0 e marque a alternativa correta.
-4 e 3
3 e 5
-3 e 4
4 e -7
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
O gráfico da equação do 2ºgrau é uma parábola. A curva corta o eixo x nos valores das raízes. Neste gráfico, as raízes são:
2 e 2
-2 e 2
-2 e -2
Não existe raiz real.
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
O gráfico da equação do 2.º grau chama-se:
Parábola
Reta
Tangente
Elipse
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