
Quizizz dia 15/5 - 2EM - Matemática
Authored by Marcelo Costa
Mathematics
11th Grade
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10 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Quantas soluções tem a equação linear 4x + 3y = 12?
nenhuma.
uma.
duas.
infinitas.
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Qual o valar de x na equação 3x - 2y = 20, para y = 2?
8
6
4
2
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
O termo ordenado (-3, 1, 4) é solução da equação x + 4y + 2z = 9.
Verdadeiro.
Falso.
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Qual o termo ordenado é solução da equação 2x + y - z = 1?
(0, 3, -2)
(1, 0, 1)
(2, -5, -2)
(0, 1, 2)
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Qual a classificação do sistema linear?
SPD
SPI
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Em uma sessão de cinema havia 300 espectadores. Uma parte deles pagou R$ 16,00 por ingresso, outra parte pagou R$ 8,00, e os espectadores restantes receberam os ingressos gratuitamente, em uma promoção. Sabendo que a bilheteria arrecadou R$ 3.440,00 com a venda dos ingressos e que havia na plateia pelo menos um espectador para cada tipo de ingresso, qual o número máximo possível de pessoas não pagantes que estiveram nessa sessão?
82 pessoas
84 pessoas
86 pessoas
88 pessoas
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Um octaedro convexo possui todas as faces triangulares. Quantas arestas tem esse poliedro?
10 arestas
12 arestas
14 arestas
16 arestas
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