Re: Ti92 solver

To: CALC-TI@LISTS.PPP.TI.COM
Subject: Re: Ti92 solver
From: Bill Risher <billr1@MIDSOUTH.NET>
Date: Thu, 5 Nov 1998 16:12:34 -0600
Comments: To: RWW Taylor <RWTNTS@RITVAX.ISC.RIT.EDU>
In-Reply-To: <01J3TBAEH6PEDQG3YA@ritvax.isc.rit.edu>
Reply-To: Bill Risher <billr1@MIDSOUTH.NET>

At 12:00 PM 11/05/98 -0500, RWW Taylor wrote:
>I am still saying that it is important to discover the _significance_
>of those ugly-looking complex solutions worked out by Bill Risher for
>that system I supplied (he is right, they are a mess to re-type),
>and also to be able to answer questions such as why a system like
>        4y - 3x = 10   and  x^2 + y^2 = 10x
>gives you only _one_ solution rather than the expected two, no matter
>how you use the solver.
>
>Mathematical insight is important here, and the ability of the TI-89
>or TI-92 to let you just play around with the equations is really
>helpful.
ok, heres the reason, right off the top of my head, no calculator or anything:

the line must be a tangent to the circle!

am i right?

--
Bill Risher        Sparr      UIN:1952775    ._, . . .
Lorenai #44        Makra      FON:9316484164 |_) o | |
Overlord n7hq      Decius                    |_) | | |
mailto://billr1@midsouth.net  FAX:9315526807 ^ ` ^ ^ ^

References:

Re: Ti92 solver

From: RWW Taylor <RWTNTS@RITVAX.ISC.RIT.EDU>

Prev: Re: Cut this out (was: Re: Ti-89 Died)
Next: Re: Ti-89 Died
Index(es):
- Main
- Thread