FUNÇÃO QUADRÁTICA (PARTE 2)
Quiz
•
Mathematics
•
9th Grade
•
Practice Problem
•
Hard
Mauricio Alves
Used 15+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Escolha a forma correta da Lei da Função Quadrática
f(x)=ax+bx²+c
f(x)=ax+bx+c
f(x)=ax-bx+c
f(x)=ax²+bx+c
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Como podemos encontrar as raízes da função?
Resolvendo a fórmula do vértice da função
Resolvendo a fórmula de Bhaskara
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
O que são os zeros da função?
São os pontos onde a parábola intercepta o eixo y.
São os pontos onde a parábola intercepta o eixo x.
São as coordenadas do vértice da parábola.
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Como se chama o gráfico de uma função do tipo ?
Exponencial
Parábola
Afim
Hipérbole
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Quando , analisando o gráfico de uma função quadrática podemos concluir que:
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.
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A parábola possui duas raízes iguais quando:
Δ = 1
Δ > 0
Δ < 0
Δ = 0
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
O termo
é positivo ou negativo nesse gráfico?positivo
Negativo
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