
av2 rec 2 bim 1 ano

Quiz
•
Mathematics
•
10th Grade
•
Hard
FREE Resource
6 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
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
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
Assinale a matriz completa do sistema ao lado
4.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Qual matriz completa representa a equação ao lado?
5.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
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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