Question

What loci are represented by the equation :
$x^{2}y=0.$

Answer 1

$x^{2}y=0\left(x\right)\left(x\right)\left(y\right)=0x=0,x=0,y=0$

So the equation represents three lines two of which are coincident that is the $y$ axis and the third one is the $x$ axis.