Copyright © University of Cambridge. All rights reserved.

## 'Parallel Lines' printed from http://nrich.maths.org/

Alter the positions of the line by moving the points.

How does the position of the line affect the equation of the
line?

Full Screen Version
This text is usually replaced by the Flash movie.

Now explore what happens when you have two lines.

Position the lines so that they are parallel to each other.

Try various arrangements.

Full Screen Version
This text is usually replaced by the Flash movie.

What can you say about the equations of parallel lines?

You may want to take a look at

Perpendicular
Lines after this.