
equação do 2 grau - prova
Mathematics
9th Grade

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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
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
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
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
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
A solução da equação 3x - 9 = 9 é
x = 2
x = 4
x = 6
x = 8
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual a solução da equação x² - 5x = 0?
S = {0}
S = {0,5}
S = {-5,0}
S = {5}
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A equação da imagem é:
Equação do 2°grau completa.
Equação do 2° grau incompleta.
Equação do 1° grau completa.
Equação do 1°grau incompleta,
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A equação reduzida do 2º grau corresponde a: 2x² - 8x - 4 = 3x - x²
x² - 5x - 4=0
3x² - 5x - 4 = 0
13x² - 4=0
x² - 5x - 4=0
3x² - 11x - 4=0
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