Question

Equação do 2 grau.Qual o valor das raízes?

Answer 1

$a=1$

$b=0$

$c=-\frac{16}{25}$

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$x^{2}-\frac{16}{25}=0$

$x^{2}=\frac{16}{25}$

$x=\sqrt{\frac{16}{25}}$

$x=$±$\frac{4}{5}$

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S={$\frac{4}{5}$,$-\frac{4}{5}$}