
Revisão Função Afim
Authored by Rodrigo Martins
Mathematics
10th Grade
Used 4+ times

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9 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 4 pts
Qual das funções abaixo têm o seguinte gráfico?
f(x) = - x + 3
f(x) = 3x - 1
f(x) = x - 3
f(x) = - 3x + 1
2.
MULTIPLE CHOICE QUESTION
3 mins • 4 pts
Qual função se enquadra para representar a seguinte tabela?
f(x) = - 2x + 10
f(x) = x + 7
f(x) = 8x - 2
f(x) = - 5x + 13
3.
MULTIPLE CHOICE QUESTION
3 mins • 4 pts
Qual é a função afim cujo gráfico passe pelos pontos ( - 4, 0) e (0 , - 2)?
f(x) = x + 4
f(x) = 0,5x - 2
f(x) = - 2x - 4
f(x) = - 0,5x - 2
4.
MULTIPLE CHOICE QUESTION
3 mins • 4 pts
Determine a taxa de variação da função afim (valor "a") que passa por ( 4 , 2 ) e ( - 1 , 1 ).
-5
-0,2
5
0,2
5.
MULTIPLE CHOICE QUESTION
3 mins • 4 pts
Qual é o valor do coeficiente linear da função f(x) = - 3x + 12
9
4
- 3
12
6.
FILL IN THE BLANK QUESTION
3 mins • 4 pts
Escreva a lei da função do gráfico abaixo. Escreva a resposta em uma destas formas: y=+ax+b, y=-ax+b, y=+ax-b ou y=-ax-b, colocando algum valor para a e para b.
7.
FILL IN THE BLANK QUESTION
3 mins • 4 pts
Qual é a lei da função cujo gráfico passa pelos pontos (2 , - 1) e (6 , 3)? Escreva a resposta na forma y=ax+b ou y=ax-b.
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