
Equações, sistemas e plano
Authored by Wevertton Santana
Mathematics
8th Grade
Used 3+ times

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25 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 10 pts
A solução da equação 3x - 9 = 9 é
x = 2
x = 4
x = 6
x = 8
2.
MULTIPLE CHOICE QUESTION
3 mins • 10 pts
Uma equação possível indeterminada tem:
nenhuma solução.
uma solução.
duas soluções.
uma infinidade de soluções.
3.
MULTIPLE CHOICE QUESTION
3 mins • 10 pts
Considera o seguinte sistema de equações. Qual dos seguintes pares ordenados é a solução deste sistema?
4.
MULTIPLE CHOICE QUESTION
3 mins • 10 pts
Qual dos pares ordenados (x,y) seguintes é solução da equação 3x = 15 − y?
(−3,6)
(−6,3)
(3,6)
(6,3)
5.
MULTIPLE CHOICE QUESTION
3 mins • 10 pts
Qual dos pares ordenados (x,y) seguintes é solução da equação 3x = 15 − y?
(−3,6)
(−6,3)
(3,6)
(6,3)
6.
MULTIPLE CHOICE QUESTION
3 mins • 10 pts
Se 2x + y = - 4 e x + 3y = - 2, então o par ordenado que satisfaz esse sistema é
( - 1 , 0 )
( - 2 , 0 )
( - 1 , 1 )
( - 2 , - 2 )
7.
MULTIPLE CHOICE QUESTION
3 mins • 10 pts
Não
Sim
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