
REVISÃO FUNÇÃO QUADRÁTICA
Authored by ANDRESA LAURETT
Mathematics, Education
10th Grade
Used 8+ times

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23 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
Sabendo que uma função quadrática tem a seguinte lei de formação: f(x) = ax² + bx + c, com a, b e c números reais e a ≠ 0. Na função: f(x) = - x² + 5x - 2, temos:
a = 1, b = 5 e c = -2
a = 1, b = 5 e c = 2
a = - 2, b = x e c = 0
a = - 1, b = 5 e c = - 2
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Com o a positivo temos uma parábola com concavidade:
para baixo
para cima
uma reta
ondulada
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Exponencial
Parábola
Afim
Hipérbole
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
a > 0
b > 0
c > 0
a > 0
b = 0
c < 0
a < 0
b > 0
c < 0
a > 0
b < 0
c > 0
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
Analisando o gráfico da função, podemos afirmar que:
a < 0
b > 0
c < 0
a = 0
b < 0
c > 0
a > 0
b = 0
c < 0
a < 0
b = 0
c = 0
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