Math Forum http://mathforum.org/kb List of forum topics en Re: parabola through 4 points http://mathforum.org/kb/thread.jspa?messageID=7481172&tstart=0#7481172 Jun 10, 2011 12:58:50 PM Jun 10, 2011 12:58:50 PM r43ey 0 Re: parabola through 4 points http://mathforum.org/kb/thread.jspa?messageID=1077440&tstart=0#1077440
I received this in my email this week. It explores, draws together and resolves some
of the issues raised in this discussion group under]]> Dec 5, 1997 5:52:41 AM Dec 5, 1997 5:52:41 AM robertsj@ctel.com.au 0 Re: parabola through 4 points http://mathforum.org/kb/thread.jspa?messageID=1077439&tstart=0#1077439
Thanks for your response. I don't fully understand your argument,
though.

Michael Keyton wrote:
 Nov 17, 1997 8:53:44 PM Nov 17, 1997 8:53:44 PM pash@world.std.com 0 Re: parabola through 4 points http://mathforum.org/kb/thread.jspa?messageID=1077438&tstart=0#1077438 that lie on the hyperbola. I can not fully solve this, but I can find]]> Nov 12, 1997 6:14:47 PM Nov 12, 1997 6:14:47 PM mkeyton@tenet.edu 2 Re: parabola through 4 points http://mathforum.org/kb/thread.jspa?messageID=1077437&tstart=0#1077437 >
> A parabola, on the other hand, is determined by any 4 of its points.
>]]> Nov 11, 1997 10:36:49 PM Nov 11, 1997 10:36:49 PM pash@world.std.com 4 Re: construction of triangle of given perimeter, given point and angle http://mathforum.org/kb/thread.jspa?messageID=1077401&tstart=0#1077401 geometry. I do not recall where I learned how, my guess is either]]> Nov 11, 1997 5:38:45 PM Nov 11, 1997 5:38:45 PM mkeyton@tenet.edu 0 Re: construction of triangle of given perimeter, given point and<br> angle http://mathforum.org/kb/thread.jspa?messageID=1077435&tstart=0#1077435
Thanks for the stimulating puzzle.

>Given triangle ABC, find points X and Y on AB and AC such]]> Nov 11, 1997 5:24:56 PM Nov 11, 1997 5:24:56 PM michael.thwaites@ucop.edu 0 Re: construction of triangle of given perimeter, given point and angle http://mathforum.org/kb/thread.jspa?messageID=1077403&tstart=0#1077403
On Tue, 11 Nov 1997, Eileen M. Klimick Schoaff wrote:

>
> A parabola, on the other hand, is determined]]> Nov 11, 1997 3:05:19 PM Nov 11, 1997 3:05:19 PM conway@math.Princeton.EDU 0 Re: construction of triangle of given perimeter, given point and angle http://mathforum.org/kb/thread.jspa?messageID=1077402&tstart=0#1077402 A parabola, on the other hand, is determined by any 4 of its points.
John Conway>

Am I missing something here? Don't 3 points]]> Nov 11, 1997 12:19:27 PM Nov 11, 1997 12:19:27 PM SCHOAFEM@BUFFALOSTATE.EDU 6 Re: construction of triangle of given perimeter, given point and angle http://mathforum.org/kb/thread.jspa?messageID=1077400&tstart=0#1077400 from one of the NCTM Addendum books on geometry? I know I]]> Nov 11, 1997 11:43:26 AM Nov 11, 1997 11:43:26 AM SCHOAFEM@BUFFALOSTATE.EDU 1