
Sistema de Equação
Authored by Wesley Pires
Mathematics
11th Grade
Used 9+ times

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12 questions
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1.
MULTIPLE CHOICE QUESTION
15 mins • 10 pts
Com a proximidade do final do ano, uma papelaria quis antecipar as promoções de material didático para o ano letivo de 2012. Foram colocados em promoção caneta, caderno e lápis. As três ofertas eram:
1ª) 5 canetas, 4 cadernos e 10 lápis por R$ 62,00;
2ª) 3 canetas, 5 cadernos e 3 lápis por R$ 66,00;
3ª) 2 canetas, 3 cadernos e 7 lápis por R$ 44,00.
Para comparar os preços unitários dessa papelaria com outras do comércio, o Sr. Ricardo calculou os preços de uma caneta, um caderno e um lápis. A soma desses preços é
18
2.
FILL IN THE BLANK QUESTION
15 mins • 10 pts
Classifique O sistema linear em SPI, SPD e SI:
3.
FILL IN THE BLANK QUESTION
15 mins • 20 pts
Resolva o sistema:
4.
MULTIPLE CHOICE QUESTION
15 mins • 20 pts
Encontre a solução:
s = -1, 1, -1
s = -1, -1, 1
s = 1, -1, 2
s = -1, -2, -1
5.
MULTIPLE CHOICE QUESTION
15 mins • 20 pts
encontre a solução:
s = 1 , -2, 3
s = -3, 0 , 6
s = -2, 1 , 6
s = 1, 2 , 6
6.
MULTIPLE CHOICE QUESTION
15 mins • 20 pts
Classifique o sistema e responda quais os valores da solução:
SPD - S = 1,2,1
SPD - S = 0,1,0
Si - s= 0
SPI - S = 0,0,0
7.
MULTIPLE CHOICE QUESTION
15 mins • 5 pts
Determine o par ordenado que resolve o seguinte sistema de equações lineares.
s = 3,2
s = 4,0
s = 1,2
s = 5/3 , 2
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