The Plastic Brain

Leave a comment

A geometric construction of the parabola

proofmathisbeautiful:

matthen:

A geometric construction of the parabola. The blue point is called the focus, and the horizontal line is the directrix. The blue lines show all the points which are at an equal distance from the red point and the blue focus point. The point of the blue line directly above the red dot contributes to the parabolic curve, because the parabola is defined as the set of all points equidistant to the focus and the directrix. [more] [code]

Awesomeee!!

Advertisements

Author: Rogan Tinsley

Biology, science and maths teacher with a PhD in Neuroscience and passion for education.

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s