Question

State true or false:

If $y^2+8y+16=0$, then $y=-4$.

• A. True
• B. False

Answer 1

The correct option is A True

Given equation is,

$y^2+8y+16=0$
$y^2+4y+4y+16=0$

$y(y+4)+4(y+4)$

$(y+4{)}^2=0$
$\therefore y=-4$