Sistema linear

Matemática: Formas e Trigonometria

Quiz
•
Mathematics
•
2nd Grade
•
Hard
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
de equações lineares
de inequações lineares
de funções quadráticas
de sistemas não lineares
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Propriedade do cilindro
são círculos congruentes
são triângulos equiláteros
são quadrados
são retângulos
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Prisma
com bases triangulares e faces quadradas
com bases circulares e faces elípticas
com bases paralelas e faces retangulares
com bases hexagonais e faces trapezoidais
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Área da superfície da esfera
@@4\pi r^2@@
@@2\pi r^2@@
@@\pi r^2@@
@@\frac{4}{3}\pi r^3@@
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Equação trigonométrica
@@a \, \sin x + b \, \cos x = c@@
@@a + b = c@@
@@\sin^2 x + \cos^2 x = 1@@
@@a \cdot \tan x = b@@
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Solução de @@\sin x = 0@@
@@x = n\pi, \, n \in \mathbb{Z}@@
@@x = n\frac{\pi}{2}, \, n \in \mathbb{Z}@@
@@x = \frac{\pi}{2} + n\pi, \, n \in \mathbb{Z}@@
@@x = n\frac{\pi}{3}, \, n \in \mathbb{Z}@@
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Exemplo de sistema linear
@@2x + 3y = 5, \, x - y = 2@@
@@3x + 4y = 7, \, 2x + y = 1@@
@@x + y = 0, \, 2x - 3y = 6@@
@@x - 2y = 4, \, 3x + y = 5@@
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