# Planes

### Topic Page

Planes### Questions

- How do I find the Cartesian equation of a plane containing two given lines?
- How do I find the Cartesian equation of a plane containing three given points?
- How many points are needed to establish a plane?
- What is the point-normal form of the equation of a plane?
- What is the general form of the equation of a plane?
- In what ways can two planes intersect?
- What can be said about two lines that are perpendicular to the same plane?
- What can be said about two planes that are perpendicular to the same line?
- What is the graph of #2x + y + z = 3#?
- What is the graph of #4x − 2y + z = −1#?