
Av. 3º Bimestre 2º Ano LF
Authored by Lucio Santos
Mathematics
2nd Grade
Used 7+ times

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5 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Q.1) . (SARESP - 2015) Uma empresa de entregas em domicílio cobra, na grande São Paulo, R$ 5,00 por cada entrega, mais R$ 0,03 por cada 1 grama. No interior do Estado, ela cobra o preço da grande São Paulo acrescido de 10%. O preço de entrega de uma encomenda de x gramas para o interior de São Paulo, em R$, é igual a:
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Q.2) Uma bola é lançada para cima a partir do solo, e sua altura em relação ao solo, em metros, após t segundos, é dada pela função h(t) = -5t² + 20t.
Qual a altura máxima atingida pela bola?
10m
20m
30m
40m
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Q.3) Qual a fórmula que melhor Representa o Ponto De Mínima em Uma Função Quadrática?
x = b/2a
x = -b/4a
x = -b/2b
x = -b/2a
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Q.4) Fatorando o Produto Notável. (2x-4)(3x+5) = 0, Obtemos.
x = 2 e x = -5/6.
x = 2 e x = -2/3.
x = 2 e x = -5/3.
x = -2 e x = -5/3.
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Q.5) Resolvendo a equação temos 2x² + 5x - 3 = 0
x₁ = 1/2 e x₂ = -3.
x₁ = 1/2 e x₂ = -7.
x₁ = 5/2 e x₂ = -3.
x₁ = 1/2 e x₂ = -5.
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