
Geometria de Sistemas Lineares
Mathematics
10th Grade
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Considere o sistema linear: \[ \begin{cases} x + y = 4 \\ 2x - y = 1 \end{cases} \] Geometricamente, o que representam as equações desse sistema no plano cartesiano?
Duas retas paralelas
Duas retas coincidentes
Duas retas que se cruzam em um ponto
Um círculo e uma reta
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se um sistema linear possui infinitas soluções, como as suas retas são representadas geometricamente?
Retas paralelas
Retas coincidentes
Retas perpendiculares
Retas que se cruzam em dois pontos
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a interpretação geométrica de um sistema linear 2x2 sem solução?
As retas se cruzam em um ponto
As retas são coincidentes
As retas são paralelas
As retas formam um triângulo
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dado o sistema: \[ \begin{cases} 3x + 2y = 6 \\ 6x + 4y = 12 \end{cases} \] Qual é a interpretação geométrica desse sistema?
Retas paralelas
Retas coincidentes
Retas que se cruzam em um ponto
Retas perpendiculares
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se as retas de um sistema linear 2x2 possuem coeficientes angulares diferentes, o que isso significa?
Elas são paralelas
Elas são coincidentes
Elas se cruzam em um ponto
Elas não existem
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O sistema: \[ \begin{cases} x - 2y = 3 \\ 2x - 4y = 6 \end{cases} \] possui qual interpretação geométrica?
Retas coincidentes
Retas paralelas
Retas que se cruzam em um ponto
Retas perpendiculares
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual das alternativas abaixo representa um sistema linear impossível?
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