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Quiz
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Education
•
2nd Grade
•
Practice Problem
•
Medium
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10 questions
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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
30 sec • 1 pt
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