
Função quadrática

Quiz
•
Education, Mathematics
•
2nd - 9th Grade
•
Hard
Marissa Puton
Used 2+ times
FREE Resource
32 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
O gráfico de uma função do 2o grau é uma curva chamada de:
reta
parábola
elipse
hipérbole
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O coeficiente a é positivo ou negativo nesse gráfico?
positivo
Negativo
3.
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.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Com o a positivo temos uma parábola com concavidade:
para baixo
para cima
uma reta
ondulada
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A parábola possui duas raízes iguais quando:
Δ = 1
Δ > 0
Δ < 0
Δ = 0
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
As raizes da função quadrática representada são:
0 e 2
2 e 4
2 e - 4
0 e 4
7.
MULTIPLE CHOICE QUESTION
5 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
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