$-x^{2}2y^2-z^2=2$

$($Write an equation for the cross section at $z=0$ using $x$ and $y.)$

$($Write an equation for the cross section at $y=-2$ using $x$ and $z.)$

$$

$.)$

$($Write an equation for the cross section at $y=0$ using $x$ and $z.)$

$$

$($Write an equation for the cross section at $y=2$ using $x$ and $z.)$

$$

$($Write an equation for the cross section at $x=0$ using $y$ and $z.)$

$$