Give a geometric description of the following system of equations.

Select an Answer Two lines intersecting in a point Two parallel lines Two lines that are the same  1. $\left\lbrace\begin{array}{rrrrrr} 2 x & - & 4y & = & 12 \cr -3 x & + & 6y & = & -15 \end{array}\right.$

Select an Answer Two lines intersecting in a point Two parallel lines Two lines that are the same  2. $\left\lbrace\begin{array}{rrrrrr} 2 x & - & 4y & = & 12 \cr -3 x & + & 6y & = & -18 \end{array}\right.$

Select an Answer Two lines intersecting in a point Two parallel lines Two lines that are the same  3. $\left\lbrace\begin{array}{rrrrrr} 2x & - & 4y & = & 12 \cr -5x & + & 3y & = & 10 \end{array}\right.$