
EQUAÇÃO DO 1 GRAU E 2 GRAU
Authored by Cyntia Rodrigues
Mathematics
2nd Grade
Used 4+ times

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23 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
De acordo com o texto, qual é a equação para o custo total de produção C(x) em termos do número de camisetas produzidas x?
C(x) = 10 · x + 2000
C(x) = 2000 · x + 10
C(x) = x + 2010
C(x) = 10x
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Preencha o espaço em branco: Na equação C(x) = 10 · x + 2000, o valor 2000 representa o _________.
custo fixo (ou custo fixado)
custo variável
receita total
lucro
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
De acordo com o texto, o que a variável x representa na equação C(x) = 10 · x + 2000?
O custo por camiseta
O número de camisetas produzidas
O custo fixo
O custo total
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sabendo que a altura da janela é representada por x, escreva uma expressão que indique a largura da janela como uma função de x.
L(x) = 3x - 0,5
L(x) = 2x + 1
L(x) = 3x + 0,5
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Objetivo b) Escreva a fórmula que representa a área da janela como uma função de x.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a forma geral de uma função afim?
f(x) = ax + b
f(x) = bx + a
f(x) = a/x + b
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Na função afim f(x) = ax + b, o que representa o coeficiente 'a'?
O intercepto no eixo y
A inclinação (coeficiente angular) da reta
O vértice da parábola
O eixo de simetria
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