Question

resolva as seguintes equação:

a) 4y² = - 16y


pfv​

Answer 1

$4y^2=-16y$

$y^2=-\frac{16y}{4}$

$y^2=-4y$

$y^2+4y=0$

$y(y+4)=0$

$y_1=0$

$y_2+4=0$

$y_2=-4$

$S=\{-4,\ 0\}$