How do you play regular xbox games on an xbox 360?

I have and xbox 360 and every time we try to play a regular xbox game it won’t let me. The sales people at the stores say they will work but when we get them home they won’t play. Any help?
Where do you get the update so you can play regular xbox games on xbox 360?
i bought a regular xbox game, Medal of honor and corvette and they don’t work on my xbox 360, i know that i need an update but i can’t find it on the marketplace.
Does regular Xbox games work in an Xbox 360?

I have regular xbox games, and I am thinking of getting in xbox 360. So will my regular games work in the xbox 360???
Please Help I need to know as soon as possible.
Can an Xbox 360 play regular XBOX games?

I heard the 360 is backward compatible for XBOX and so i tried NBA Live 06 and it didn’t work. The only game that worked on the 360 was Halo 2.
Can I play regular xbox 360 games like bioshock on an xbox 360 arcade, and be able to save them?

I am going to get an xbox arcade and was wondering if I could do this. Someone told me I needed a hard drive, but I read that you only need that to go onto xbox live, which I don’t plan on doing. I just want to play some bioshock and be able to save it, and other games.
Can you play regular xbox games on an xbox 360?

I’m getting a xbox 360 elite for Christmas. But, i have an regular xbox right now. So, can I play my xbox games on an xbox 360 or an xbox 360 elite?
Is there any way to play xbox 360 games on a regular xbox?

I have an xbox with an xecuter modchip installed. I really like my xbox but I can’t play any of the really cool new games. Is there some kind of emulator or anything that I could use to let me play xbox 360 games on it?
Do some people still play regular XBox games online?

The thing is, I’m poor so I can’t afford to be anything else other than “cheap” when it comes to buying video games, etc. My family has an XBox 360 with XBox Live, but I still buy old XBox games.
Today I bought 3 video games and 2 of them are for XBox Live, one is called “Brothers In Arms: Road To Hill 30″ and the other is titled “Pariah”. Anybody on Yahoo Answers got these games and XBox Live?
Can i burn xbox games with a regular dvd burner?

If i have a regular dvd burner can i burn xbox games.i want to back them up cuz there gettin scratched.otherwise how do i burn xbox games and do i need to mod my xbox to make them play
can the regular xbox games work the same for the xbox 360 or they both need different games?

i want to know if i could use my friends xbox game for my xbox 360?