Question

Write the general equation of a plane parallel to X-axis.

Answer 1

$$\begin{gathered} \text{The general equation of a plane is} \\ ax+by+cz+d=0...\left(1\right) \\ \text{This plane is parallel to the}\mathit{\text{x}}\text{- axis.} \\ \text{It means that this plane passes through the point}\left(0,y,z\right)\text{. So,} \\ a\left(0\right)+by+cz+d=0 \\ \Rightarrow by+cz+d=0 \end{gathered}$$