OLHA E URGENTE E PARA AMANHA PLEASE 2°Escreva uma equaçao do 2°grau na forma reduzida:
a)a=2,b=1/2 e c=5
b)a=-3,b=1 e c=-1
c)a=5,b=0 e c=-1
d)a=2/3,b=5/3 e c=-1
e)a=-√1/3,b=-√2 e c=3/2

3°indique os coeficientes de cada equaçao e classifique-as em completas ou incompletas:

a)-x²+4=0
b)x²+2x-1/2=0
c)1/2x²+2x=0
d)-3x²+7=0
e)1/9x²-x+2=0
f)∛2x²+2/5x+1=0
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