
PROVA DE MATEMÁTICA - 3° TRIMESTRE
Mathematics
9th Grade
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15 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 2 pts
Um bambu partiu-se a uma altura de 4m do chão, e a parte de cima, ao cair, tocou o chão, a uma distância de 3m da base do bambu. Qual era a altura do bambu antes de partir-se?
7m
5m
8m
9m
2.
MULTIPLE CHOICE QUESTION
45 sec • 2 pts
Observe o quadro abaixo e responda: O preço a pagar está em função da quantidade de bombons comprados?
Sim, o preço aumenta proporcionalmente ao número de bombons
Não, o preço não tem relação com o número de bombons.
O preço diminui à medida que mais bombons são comprados.
O preço é fixo, independentemente do número de bombons.
3.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Qual a lei de formação que determina o preço y a pagar numa compra de x refrigerantes?
y = x + 2,40
y = 2,40x
y = 2,40 + x
y = 2,40x + 1
4.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Quantos sabonetes podem ser comprados com
R$ 7,20?
6 sabonetes
7 sabonetes
8 sabonetes
9 sabonetes
5.
MULTIPLE CHOICE QUESTION
45 sec • 2 pts
As cinco cartelas numeradas representadas a seguir foram colocadas numa caixa. Se forem retiradas duas cartelas da caixa, simultaneamente e ao acaso, a probabilidade de que a soma dos valores das cartelas retiradas seja um número ímpar é:
1/5
3/5
2/5
4/5
6.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Observando o gráfico , quais são as cordenadas de sua reta ?
( 4, -1 )
( 1, 2 )
( -1 ,4 )
( 2, 1 )
( 4 , - 1)
( 2, 1 )
( - 1 , 4 )
( 1 , 2 )
7.
MULTIPLE CHOICE QUESTION
45 sec • 2 pts
Observe a função f: A→B no diagrama de Venn abaixo:
Quais elementos pertencem à sua imagem?
(5, 9, 25, 20)
(25, 81, 625)
(25, 81, 625, 400)
(5,25.9,81,25,625,20, 400)
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