Determine o conjunto solução de cada inequação
a) (x-3) . (2-x) > 0
b) (3x-6) . (2-4x) > 0
c) (-x+2) . (-3x-9) < 0
Respostas
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Olá Rafaela!
Para resolver as inequções do 1 grau é só igualar cada uma delas a 0 e determinar o intervalo...
________________3___________
______________2______________
Letra A....
llllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllll
______________2____________
___________1/2________________
Letra B..
lllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllll
______________2____________
__-3_________________________
Letra C...
Para resolver as inequções do 1 grau é só igualar cada uma delas a 0 e determinar o intervalo...
________________3___________
______________2______________
Letra A....
llllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllll
______________2____________
___________1/2________________
Letra B..
lllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllll
______________2____________
__-3_________________________
Letra C...
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