
AVA1 - 2° TRIMESTRE - 1 ANO EM
Authored by EVANDRO DE CRISTO
Mathematics
1st Grade
Used 2+ times

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5 questions
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1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Uma pesquisa da Associação Paulista de Supermercados apontou que 22% dos entrevistados optam por mercadinhos de bairro quando o assunto são compras do dia a dia.
Fui ao mercadinho e comprei 8 caixas de leite a R$ 4,50 cada, 4 latas de óleo a R$ 7,50 cada e 2 sabonetes a R$ 2,50 cada. Considerando x, y e z, respectivamente, os preços da caixa de leite, lata de óleo e sabonete e que o total da compra foi de R$ 71,00, marque a alternativa que apresenta a terna ordenada como solução da equação linear 8x +4y + 2z = 71.
(4,50; 7,50; 2,50)
(2,50; 7,50; 4,50)
(7,50; 4,50; 2,50)
(4,50; 2,50; 7,50)
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Qual das equações lineares abaixo tem como solução a terna (1, 2, –5)
4x – y + z = 0
x + y + z = 8
2x – 3y – z = 1
x + y – z = –2
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Qual o valor de "x" na equação: 5x - 10 = 10
0
4
5
15
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Qual par ordenado é solução da equação: 4x - 3y = 18
( 6 , -2 )
( 2 , 6 )
( -2 , 6 )
( 6 , 2 )
5.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
8- A TABELA ACIMA PODE SER REPRESENTADA ATRAVÉS DE UMA MATRIZ, SENDO ASSIM A PRIMEIRA LINHA REFERE-SE:
AO 1° BIMESTRE
A DISCIPLINA DE GEOGRAFIA
A DISCIPLINA DE HISTÓRIA
A DISCIPLINA DE MATEMÁTICA
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