Prova Se Liga 9º ANO
Quiz
•
Mathematics
•
9th Grade
•
Hard
Used 1+ times
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25 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 4 pts
Identifique a fórmula da equação de 2 grau!
A = π × r²
ax + b=0
ax2 + bx + c=0
Yv = – Δ/4.a
2.
MULTIPLE CHOICE QUESTION
45 sec • 4 pts
Dentro desse tipo de equação o termo de maior grau deve ser elevado ao:
Cubo
A terceira potência
quadrado
Nenhuma das alternativas
3.
MULTIPLE CHOICE QUESTION
45 sec • 4 pts
identifique quais são equações do segundo grau:
X2 - 6x + 7=0
X2 + 3x - 28=0
X2 - 5x=0
Todas as alternativas
4.
MULTIPLE CHOICE QUESTION
1 min • 4 pts
Qual o conjunto solução da equação: x² - 2x - 3=0?
-3 e 1
2 e 3
-1 e 3
1 e 3
5.
MULTIPLE CHOICE QUESTION
1 min • 4 pts
Quais os coeficientes?
a = 6
b = 2
c = 1
a=9
b= - 6
c = 1
a= 9
b= 6
c= 1
a= 2
b= 6
c= 1
6.
MULTIPLE CHOICE QUESTION
1 min • 4 pts
A solução da equação x² = 100, é:
50 e - 50
0 e 10
Não tem raízes reais
0 e - 10
10 e - 10
7.
MULTIPLE CHOICE QUESTION
5 mins • 4 pts
A solução da equação x² + 4x = 0, é:
4 e - 4
0 e 4
0 e - 4
2 e - 2
0 e - 2
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