- #1

Ulti

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## Homework Statement

Write down the general cartesian equation of a vertical plane (parallel to the z-axis), a

non-vertical plane and a horizontal plane (parallel to the x; y-plane) together with their

normal vectors.

Find the cartesian equations of the line of intersection of the plane

5x + y ¡ 2z = 6 (¤)

and a general horizontal plane.

How is the normal to (¤) related to the horizontal normal to the line of intersection?

## Homework Equations

ax + by + cz = d

## The Attempt at a Solution

It's been a while since I've been back to the Physics Forums so I'm not sure if this is the right section to post this as it is a homework question but I actually have no idea how to solve it.

I've been given a clue that the general cartesian equation of a vertical plane (parallel to the z-axis) is ax+by-c=0, however I do not understand why - I can only guess at best.

I only need help with getting the general cartesian equations, so if anyone could provide some tips or a link to materials about planes it would be great!

Thank you.

EDIT: Nevermind please close, I kinda understand it now.

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