Qual das funções abaixo representa uma equação quadrática?
Função do 2º grau (25/10)

Quiz
•
Mathematics
•
9th - 12th Grade
•
Medium
ANGELO MARIUSSI
Used 2+ times
FREE Resource
8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
f(x) = 6x - 9
f(x) = 2x² + 5x + 3
f(x) = x³ - x² + 2
f(x) = 8x + 1
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Assinale a alternativa correspondente ao gráfico da função f(x) = 1x2 - 4x + 3:
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Quais são os coeficientes da função f(x) = 1x2 - 9x + 20
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Qual das alternativas é uma função do 2º grau?
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Qual é o valor do discriminante da função f(x) = 1x² - 6x + 8?
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Qual das alternativas é uma função polinomial de grau 2?
f(x) = x² + 2x + 1
f(x) = 3x³ - x
f(x) = 4x + 5
f(x) = x⁴ - 2x² + 1
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Qual é a forma geral de uma função quadrática?
f(x) = ax² + bx + c
f(x) = ax³ + bx² + cx + d
f(x) = ax + b
f(x) = ax⁴ + bx³ + cx² + dx + e
8.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Qual é o valor do discriminante da função f(x) = 1x² - 9x + 18?
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