
Quiz sobre Função Quadrática
Quiz
•
Mathematics
•
2nd Grade
•
Practice Problem
•
Hard
Used 2+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a expressão geral de uma função quadrática?
f(x) = ax^3 + bx^2 + c
f(x) = ax^2 + bx + c
f(x) = ax + b
f(x) = ax^2 + b
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o valor de 'a' na função f(x) = 2x^2 + 3x + 5?
a = 3
a = 5
a = 0
a = 2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a fórmula utilizada para encontrar as raízes de uma função quadrática?
Fórmula de Pitágoras
Fórmula de Euler
Fórmula de Bhaskara
Fórmula de Newton
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se Δ > 0, quantas raízes reais distintas a função quadrática terá?
Duas
Uma
Nenhuma
Três
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o vértice da parábola da função f(x) = x^2 - 2x + 1 ?
(1, 0)
(2, -1)
(0, -2)
(1, -2)
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o valor de 'c' na função f(x) = ax^2 + bx + c se f(0) = 4?
c = 0
c = 4
c = 2
c = -4
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a concavidade da parábola se o coeficiente 'a' é positivo?
Para baixo
Para cima
Horizontal
Vertical
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