
untitled
Quiz
•
Mathematics
•
9th Grade
•
Practice Problem
•
Hard
DAIANE KEIZANOSKI
Used 1+ times
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8 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 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
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
O gráfico de uma função do 2o grau é uma curva chamada de:
reta
parábola
elipse
hipérbole
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Analisando o gráfico de certa função quadrática f(x) = , podemos afirmar que:
a > 0, b > 0 e c > 0
a > 0, b = 0 e c >0
a < 0, b > 0 e c > 0
a > 0, b < 0 e c > 0
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Qual dos gráficos pode representar uma função do tipo ?
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
O termo
é positivo ou negativo nesse gráfico?positivo
Negativo
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Analisando o gráfico da função, podemos afirmar que:
a é positivo e o vértice tem ponto de mínimo
a é positivo e o vértice tem ponto de máximo
a é negativo e o vértice tem ponto de mínimo
a é negativo e o vértice tem ponto de máximo
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Qual das seguintes funções é quadrática?
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