Mathematics
Mathematics, 02.03.2021 04:30, adrianawalker16

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

answer
Answers: 3

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

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