MBRL
Quiz
•
Mathematics
•
8th Grade
•
Hard
LERTYANE LIMA
Used 902+ times
FREE Resource
Enhance your content in a minute
25 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Um artigo que custava R$ 40,00 e sofreu reajuste de 12%. Qual o atual valor?
R$ 4,48
R$ 8,40
R$ 44,80
R$ 48,40
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Qual o novo valor de um objeto que custava R$ 62,00, após um reajuste de 30%?
R$ 18,60
R$ 80,60
R$ 60,80
R$ 86,00
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Efetue (x² +1)( x + 7)
x³ + 7x²
x³ - 7x² + x + 7
x³ + 7x² + x + 7
x³ + 7
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Qual o resultado da multiplicação ( xy - 4y)( xy + x + y) ?
x²y² + x²y - 3xy² - 4xy - 4y²
x²y² - 3xy² - 4xy - 4y²
x²y² + x²y - 4xy - 4y²
x²y² + x²y + 3xy² + 4xy + 4y²
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Para produzir 32 queijos de leite de cabra, todos de mesmo peso, o senhor Nagib usou 56 litros de leite. Para produzir 50 desses queijos, quantos litros de leite serão necessários?
62 litros
72,5 litros
87,5 litros
91 litros
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Um fogão que custava R$ 670,00 após um reajuste passou a custar R$ 737,00. Qual foi o valor do reajuste?
6%
10%
12%
18%
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Um micro-ondas que custava R$ 390,00 após um reajuste passou a custar R$ 448,50. Qual foi o valor do reajuste?
10%
12%
15%
18%
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