Os zeros da função y = x2 + 8x + 15
Função quadrática

Quiz
•
Mathematics
•
10th - 12th Grade
•
Hard
ANDERSON AIMI
Used 14+ times
FREE Resource
11 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
3 e 6
-3 e -5
4 e 7
10 e 3
7 e 9
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Para que valores de m a função y = x2 + 4x + m admite duas raízes reais diferentes, ou seja, dois zeros da função?
m > 4
m = 4
m < 4
m > -4
m =8
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual a forma geral de uma função quadrática?
y = ax² + bx + c
y = ax + b + c
y = ax + bx
y = ax + b
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O termo independente da função do 2° grau é:
Coeficiente a
Coeficiente b
Coeficiente c
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
O saldo de uma conta bancária é dado por S = t2 – 11t + 24 , onde S é o saldo em reais e t é o tempo em dias . Os dias em que o saldo será zero serão:
5 e 4
1 e 3
6 e 8
3 e 8
10 e 11
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