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Mathematics, 12.02.2021 16:10 mediocresquash

2) Uma equação foi descrita da seguinte maneira: (k² – 4) x³ + ( k – 2 )x² + 7x - 8 = 0
Analisando os coeficientes, o valor de k que faz com que essa equação seja uma equação do 2º grau é:
a) k = ± 2
b) k = + 2
c) k = - 2
d) k = 0
e) k = 4

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2) Uma equação foi descrita da seguinte maneira: (k² – 4) x³ + ( k – 2 )x² + 7x - 8 = 0
Anali...
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