
MAT_2_EM_QN01-QN06
Flashcard
•
Mathematics
•
11th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
Back
(x - 2)(x + 2)
2.
FLASHCARD QUESTION
Front
Custo fixo mensal para produção de vergalhões: R$ 9.100,00. Custo variável por peça: R$ 0,30. Preço de venda por peça: R$ 1,60. Qual o número necessário de peças para não ter prejuízo?
Back
7000 peças/mês.
3.
FLASHCARD QUESTION
Front
Back
x' = -4, x" = -1
4.
FLASHCARD QUESTION
Front
Dada a equação: 9x - 4x + 10 = 7x - 30; qual o valor de x?
Back
20
5.
FLASHCARD QUESTION
Front
Uma loja oferece um desconto de 20% em um produto que custa R$ 150,00. Qual é o preço final do produto com o desconto?
Back
R$ 120,00
6.
FLASHCARD QUESTION
Front
Definição de uma equação quadrática.
Back
7.
FLASHCARD QUESTION
Front
Como se calcula o discriminante de uma equação quadrática?
Back
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