Let's talk about math again

[nothing]

Hi. On one of my programming exercises I had to use this formula to find the distance between two points on a graph:
http://www.geocities.com/caduardo21/math.PNG

On the next problem I have to do something similar but I have to modify the program so I don't need to use a square root. I have no idea how to do that. Can someone help me? Thanks a lot.

[mireland]

just looking at that made me cry...:(

[nothing]

LOL

[ukulele]

Wait, let me get this right. You want someone here to do your homework? Get a life dude. Simplify the equation and get on with it.

[nothing]

No, this isn't homework and I don't want anybody to do nothing for me. I've solved this already and all I need is a way to not use a square root on the next exercise but I don't know how to do that, that is why I came here to ask.

:rolleyes:

[porsch1909]

I'm not sure why you would want to do that but.....


If you square the whole of both sides then you will lose the square root I'd imagine....

As long as when you do something to one side the equation you in turn do exactly the same thing to the other side, It doesn't make a wee bitty of a difference....

e.g.

X+Y = Z

Multiply Z by 2. then multiple the other side by 2

2(X+Y) = 2Z

They are both the same thing! :p

[MJCfromCT]

lol, that is like saying that since x = y, 2x = 2y...its the same exact thing, but I guess it works... :)

[porsch1909]

maybe a better example would be

X+Y=Z

Take Y away from one side then you have to take it away from the other

X=Z-Y

It's like basic Algebra....the first things a kid would learn when doing equations :p

[MJCfromCT]

Ahh the good ol' days of Algebra...unlike the fun times of partial differential equations i'll have to start next year:

http://mathworld.wolfram.com/p1img1215.gif

:(

[porsch1909]

Lucky you....:p

Usually you still need to use the basic principles when you get that advanced though...;)

[MJCfromCT]

Very true, most of it comes down to the basics...the majority of problems with this stuff are due to Algebra and other basics anyways :)