
AV1 9º Ano 2º TRIMESTRE
Authored by RODRIGO PETERS
Mathematics
9th Grade
Used 7+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Assinale a opção que corresponde a solução da equação de 1º grau:
6x – 8 = 2(6 -x)
X=2,5
X=4
X=2
X=4,5
2.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Um terreno quadrado tem lados medindo (x + 6) metros. Determine a área deste terreno.
x² + 36
x² + 12 x + 12
x² + 12x + 36
x² + 6x + 36
3.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Aplicando o produto notável corretamente em (2x – 4)², obtemos:
2x² -16
4x² - 16x - 16
-2x²
4x² - 16x + 16
4.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Qual é a expressão que fornece a área do retângulo de comprimento 4y + 3 e largura 4y – 3.
8y – 6
16y + 9
16y² - 9
16y² + 6
5.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Um investidor comprou um apartamento por R$130.000,00 e gastou 60% do custo em reparos. O valor gasto em reparos foi de:
R$ 78.000,00
R$ 65.000,00
R$ 60.000,00
R$ 52.000,00
6.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Maria cursa o ensino fundamental, e recebe de seu pai o valor de R$ 120,00 como bônus. Ela combinou que pagaria o lanche das amigas para comemorar seu aniversário na escola. Sabendo que ela gastou 40% do seu bônus, a porcentagem de dinheiro que Maria ficou na sua carteira é:
40%
50%
60%
70%
7.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
(SAEP 2012). Em um plantio de arroz em que são utilizados 1 kg de arroz a cada 11 m² de área. Quantos quilogramas de arroz serão utilizados para se plantar uma área de 682 m²?
11 kg.
18 kg.
62 kg.
682 kg.
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