What is the definition of a parabola

Learn all about parabolas in conic sections. We will discover the basic definitions such as the vertex, focus, directrix, and axis of symmetry. We will also take a look a basic processes such as graphing, writing the equation and identifying a parabolas parts when given an equation in standard and general form.
#conicsections #parabolaconicsections

[vaibhav]

Thanks man
You made my day as I was stuck on this problem for a whole of 3 days

[Pindatje]

Why did no professor at my applied math studie explain this to me? Thanks Brian!

[sajjadawan]

Difficult, Does searchlight waves fall in parabola definition?

[davidjames]

Spokes on a bicycle do NOT have all be equal length. For example, some can be vertical and shorter, and other can be slightly slanted and longer. Also some wheels do not have the spokes going directly towards the center of the hub, they use an "offset" configuration.

[daspatel]

Are you teaching psychology or Parabola?

[q_q]

I think you have a little something on your head

[emotv]

Good but I am Turkish Türkish write 😂 please

[hiren]

HI SIR I THINK THERE IS SOMETHING I GUESS A RED BLoOD SPOT ON YOUR HEAD IN THIS ViDEO ARE YOU ALRIGHT???

[Wentrashane]

The first equation is cut off at the top of the screen... Not helpful

[davidjames]

His sloppy penmanship of the word focus looks like the word feces. I am not buying this "shitty" definition.

[davidjames]

Why not just take a parabolic dish antenna and use those dimensions for your example? Then it cannot be wrong cuz it is a proven working design. You should show incoming parallel "rays" of signal that hit the parabolic dish at different points yet all get focused on the feedhorn which is the actual antenna part of the dish. This is a real world example. And how can a poorly drawn illustration be "I am trying my best"? How about using your head and doing something intelligent to gain (pun intended, antenna reference) the respect of your viewers?

What happened to the simple graph example of y = x^2? Is that a parabola? If so, why not use that as the most simple example? I general when teaching a concept, it is usually best to start with the simplest example possible, then build on that once your viewers/students seem to grasp it. Otherwise you will likely just be creating more confusion and questions.