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 05-02-2006, 10:01 PM #1 Daemon Poster     Join Date: Dec 2005 Posts: 667 math very odd im doing distance formula right now and I keep getting prefect squares. this is what ive done square root of (40-40)^2+(18-60)^2 I got 42 can someone please check this to see if I did it wrong. __________________
 05-02-2006, 10:09 PM #2 Daemon Poster     Join Date: Dec 2005 Posts: 667 Re: math very odd nvm i got a way to check...lol i feel so stupid. __________________
05-03-2006, 12:29 AM   #3
Daemon Poster

Join Date: Dec 2005
Posts: 1,348
Re: math very odd

Quote:
 Originally Posted by GreatHype square root of (40-40)^2+(18-60)^2
it is 42.

btw, your sig is a bit long.
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 05-03-2006, 05:55 AM #4 Site Team     Join Date: Mar 2004 Posts: 7,872 Re: math very odd SQRT of (40-40)^2+(18-60)^2 = SQRT of (0)^2+(-42)^2 = SQRT of -42^2 = 42 negative numbers squared = postitive numbers. you cant square a number and bring back a negative result eg 1^2 = 1 -1^2 = 1 SQRT(1) = 1 SQRT(-1) = j (that's an imaginary (not real) number) __________________ I didn’t fight my way to the top of the food chain to be a vegetarian… Im sick of people saying 'dont waste paper'. If trees wanted to live, they'd all carry guns. "The inherent vice of capitalism is the unequal sharing of blessings; The inherent vice of socialism is the equal sharing of miseries."
 05-03-2006, 04:53 PM #5 Daemon Poster     Join Date: Dec 2005 Posts: 667 Re: math very odd lol ok thanks.
 05-03-2006, 08:08 PM #6 Golden Master     Join Date: Mar 2006 Posts: 5,574 Re: math very odd no, actually, the sqare root of -1 is i, and imagionary number. You will learn more about that in Algebra2. Now go finish your geometry homework.
 05-03-2006, 08:12 PM #7 Daemon Poster     Join Date: Dec 2005 Posts: 667 Re: math very odd im in algebra lol I take geometry next year. I'm doing my algebra hw right now and it sucks. I hate parabolas but good think I have omnigraph so I can check my work =)
 05-03-2006, 09:42 PM #8 Site Team   Join Date: Mar 2005 Posts: 13,081 Re: math very odd IF you square root a negative, it will give you an error. DO NOT try to do it if a question asks it. Just write impossible
 05-03-2006, 09:44 PM #9 Fully Optimized     Join Date: May 2005 Location: United States Posts: 2,599 Re: math very odd If a square root was negative, it'd give you a value of i which is imaginary... For example: SQUARE ROOT -49 is.. 7i.
 05-03-2006, 10:33 PM #10 Daemon Poster     Join Date: Dec 2005 Posts: 667 Re: math very odd in my case if the disciminant was negative I would automatically write no real solutions. We havent gotten to imaginary i's yet. __________________