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av2 rec 2 bim 1 ano

Mathematics

10th Grade

av2 rec 2 bim 1 ano
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6 questions

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1.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

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Encontre o valor de x, y e z da equação escalonada.

S = { (2,1,3) }

S = { (3,2,1) }

S = { (1,2,1) }

S = { (2,2,1) }

2.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

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Resolva o sistema escalonado ao lado.

S = { (3,2,1) }

S = { (2,1,-1) }

S = { (2,2,-1) }

S = { (3,1,-1) }

3.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

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Assinale a matriz completa do sistema ao lado

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4.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

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Qual matriz completa representa a equação ao lado?

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5.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

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Qual a solução do sistema ao lado?

S = { (2, 1) }

S = { (2, 2) }

S = { (3, 2) }

S = { (-3, 2) }

S = { (3, -2) }

6.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

Uma lapiseira, três cadernos e uma caneta custam, juntos, 33 reais. Duas lapiseiras, sete cadernos e duas canetas custam, juntos, 76 reais. O sistema que representa essa situação problema é:


a) {x+3y-z=33

{2x-7y+2z=76

b) {x+3y+z=76

{2x+7y+2z=33


c) {x+3y+z=33

{2x+7y+2z=76

d) {x+3y=33

{2x+7y+2z=76

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