Find parametric equations for the line. $($Use the parameter $t.)$

The line through the origin and the point $(4,6,-1)$

$(x(t),y(t),z(t))=()$

Find the symmetric equations.

$\frac{x}{6}=\frac{y}{4}=-z$

$x4=y6=z-1$

$x-4=y-6=z1$

$\frac{x}{4}=\frac{y}{6}=z$

$\frac{x}{4}=\frac{y}{6}=-z$