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 The Magic Cafe Forum Index » » Magical equations » » Parabola (0 Likes)

 blazes816 Special user Wichita, Kansas 522 Posts Posted: May 25, 2005 05:29 pm    0 Rough spelling I hope ya'll get the gist. what is the exact equation for a parrabala? landmark Inner circle within a triangle 5022 Posts Posted: May 25, 2005 06:39 pm    0 It's in your algebra textbook, kiddo! Jack Shalom Click here to get Gerald Deutsch's Perverse Magic: The First Sixteen Years All proceeds to Open Heart Magic charity. blazes816 Special user Wichita, Kansas 522 Posts Posted: May 25, 2005 09:56 pm    0 I don't have one but o well Magicsquared Inner circle 1260 Posts Posted: May 25, 2005 11:27 pm    0 Y=a(x-h)squared+k there are others but that's the standard equation. And it's spelled parabola. blazes816 Special user Wichita, Kansas 522 Posts Posted: May 26, 2005 10:15 am    0 Ok thank you therntier Special user 681 Posts Posted: Jun 14, 2005 08:48 am    0 The x and y variables are, of course, interchangeable. There is no need, in the definition of a parabola, that it be a function. stanalger Special user St. Louis, MO 996 Posts Posted: Jun 14, 2005 09:59 am    0 In fact, the axis of symmetry for a parabola need not be vertical or horizontal. So the GENERAL equation for a parabola is Ax^2 + Bxy + Cy^2 + Dx + Ey = F Where A, B, C, D, E and F are constants and B^2 = 4AC. stanalger Special user St. Louis, MO 996 Posts Posted: Jun 14, 2005 10:41 am    0 ...and (A^2 + B^2 + C^2) is not equal to zero. blazes816 Special user Wichita, Kansas 522 Posts Posted: Jun 14, 2005 12:03 pm    0 Okay, thank you. In case any of you are wondering why I asked it's because I found a way to transmit power from outlets in a house, through the air; so all electronics can be wireless. The receiver mechanizm use a parabola. So I was just wondering about the formula. Jonathan Townsend Eternal Order Ossining, NY 27145 Posts Posted: Jun 18, 2005 03:58 pm    0 Let us know how your project goes. ...to all the coins I've dropped here blazes816 Special user Wichita, Kansas 522 Posts Posted: Jun 20, 2005 12:38 am    0 Okay I will The Magic Cafe Forum Index » » Magical equations » » Parabola (0 Likes)
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