
Atividade avaliativa de matemática
Authored by Eliza Andreolla
Mathematics, Other
2nd Grade
conceito covered
Used 8+ times

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11 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
O gráfico de uma função do 2o grau é uma:
reta
parábola
elipse
hipérbole
circunferência
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Se o valor do delta for igual a zero, a função quadrática
possui duas raízes reais e distintas.
não possui raízes reais.
possui raízes reais e iguais.
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Qual a forma geral de uma função quadrática?
y = ax² + bx + c
y = ax + b + c
y = ax + bx
y = ax + b
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
O termo independente da função do 2° grau é:
Coeficiente a
Coeficiente b
Coeficiente c
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Os zeros da função y = x2 + 8x + 15
3 e 6
-3 e -5
4 e 7
10 e 3
7 e 9
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Na função quadrática quando temos que A e maior que zero então:
concavidade voltada para cima
não temos raízes reais
apenas uma raiz
concavidade voltada para baixo
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
o y do vértice é:
ponto de máximo ou minimo
concavidade
raízes reais
apenas uma raiz
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