Inntersection of a line and a plane.

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In summary, The possibilities for the intersection of a line and a plane are: 1. The line can lie in the plane, 2. The line can intersect the plane at a point, and 3. The line can be parallel to the plane. A coordinate system can be used to provide further clarity in understanding these possibilities. To differentiate between the line being in the plane and the line being parallel to the plane, a lightly drawn or hashed marker-line can be used to illustrate the constant distance between the two.
  • #1
-Dragoon-
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Homework Statement


List all the possibilities for the intersection of a line and a plane, and draw an example of each.

Homework Equations


N/A

The Attempt at a Solution


This question is so vague, but here is my attempt:
1. The line can lie in the plane
2. The line can intersect the plane at a point
3. The line can be parallel to the plane.

Are these correct or are there are more possibilities? Also, how do I draw 1 and 3 so you can differentiate between the line being in the plane and the line being parallel to the plane?
 
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  • #2
Your responses appear to be correct and complete, assuming of course you're dealing with the standard three dimensional euclidean geometry.

The drawing should not be so important, as long as you understand what is being drawn. You could try using a coordinate system for further clarity.
 
  • #3
Vikrant94 said:
Your responses appear to be correct and complete, assuming of course you're dealing with the standard three dimensional euclidean geometry.

The drawing should not be so important, as long as you understand what is being drawn. You could try using a coordinate system for further clarity.

Okay. Thanks for all the help.
 
  • #4
Retribution said:
Also, how do I draw 1 and 3 so you can differentiate between the line being in the plane and the line being parallel to the plane?

A simple way to relate distance is put a lightly drawn or hashed marker-line between the end points of the drawn line and your plane (to illustrate the constant distance between the two).
 

1. What is the intersection of a line and a plane?

The intersection of a line and a plane is the point or set of points where the line and the plane meet or overlap.

2. How do you calculate the intersection of a line and a plane?

The calculation of the intersection of a line and a plane involves finding the coordinates of the point where the line and the plane intersect. This can be done by solving a system of equations, where the equations represent the line and the plane.

3. Can a line and a plane intersect at more than one point?

Yes, a line and a plane can intersect at one, infinite, or no points. If the line lies completely within the plane, they have infinite points of intersection. If the line is parallel to the plane, they have no points of intersection.

4. How do you determine if a line and a plane are parallel?

A line and a plane are parallel if they do not intersect at any point. This can be determined by comparing the equations of the line and the plane. If the slopes of the line and the normal vector of the plane are equal, they are parallel.

5. Is it possible for a line and a plane to never intersect?

Yes, it is possible for a line and a plane to never intersect. This happens when the line is parallel to the plane.

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