Calcule f( 2) em: f(x) = - x² + 3x - 5
Função Quadrática

Quiz
•
Mathematics
•
1st Grade
•
Hard
HENRIQUE ROSA
Used 7+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
3
-3
0
5
2.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
O gráfico de uma função quadrática é uma:
Reta
Concavidade
Elipse
Parábola
3.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Na parábola posso ser o ponto mais alto ou o ponto mais baixo.
Raiz
Vértice
Coeficientes
Quadrática
4.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
O valor de ∆ em : x² + 3x = 0
-3
6
0
9
5.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Qual alternativa é uma função do 2⁰ grau:
f(x) = x + 1
f(x) = x³ + 2x²
f(x) = 4x + 7
f(x) = x²
6.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
O valor que a parábola passa pelo eixo y será o mesmo valor do coeficiente:
∆
a
b
c
7.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
A fórmula de Bhaskara é utilizada para calcular:
As raizes
O vértice
O eixo y
A parábola
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