
Sistemas Lineares
Mathematics
11th Grade

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49 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
R$ 1,00
R$ 1,50
R$ 1,75
R$ 2,00
R$ 2,25
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
No sistema de equações apresentado, o que representa a variável x?
Valor da dose de café
Valor do pedaço do bolo de cenoura
Quantidade de equações
Soma dos valores
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
No sistema de equações apresentado, o que representa a variável y?
Valor do pedaço do bolo de cenoura
Valor da dose de café
Quantidade de equações
Soma dos valores
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Complete a equação do sistema: 2x + y = _____
3,50
2,00
4,00
1,50
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ao isolar y na equação I, qual expressão obtemos?
y = 3,5 - 2x
y = 2x + 3,5
y = 2 - 3,5x
y = -2x + 3,5
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Resolva a equação: x + 2 (3,5 – 2x) = 2,5. Qual é o valor de x?
x = 1,5
x = 2
x = 0,5
x = -1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sabendo que x = 1,5, substitua o valor na equação: 2x + y = 3,50. Qual é o valor de y?
y = 0,5
y = 1,0
y = 2,0
y = 3,0
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