
Matemática 1ºB
Quiz
•
Mathematics
•
1st Grade
•
Medium
Luana Agudo
Used 1+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Lei de formação da função do segundo grau
f(x)= ax²+bx+c
f(x)=ax+b+c
f(x)=ax+b
y(x)=ax+b²+c
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual o nome do gráfico de uma função do segundo grau?
Linear
Constante
Crescente
Parábola
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quais os coeficientes de uma função do segundo grau?
a e b
a e y
x e y
a,b e c
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Como encontrar o x ou raíz de uma função do segundo grau?
Aplicando teorema de pitagoras
Aplicando a lei de newton
Aplicando a fórmula de Bhaskara
Dividindo os coeficientes
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual o primeiro passo para construir um gráfico de função do segundo grau?
Identificar se a é maior ou menor que zero
Cortar o eixo y no valor de c
Encontrar o vértice xv e yv
Aplicar Bhaskara
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual o segundo passo para construir um gráfico da função do segundo grau?
Encontrar os coeficientes
Aplicar Bhaskara
Encontrar a raíz
Encontrando o valor de c
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Dada a função: f(x)= 2x²-5x+8, qual o x da equação?
10 e 2
9 e 1
8 e 1
2,25 e 0,25
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